Theory

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Theory {#theory}

Referencing

Your dissertation, and perhaps your theory/literature review chapter in particular, will likely have plenty of citations. Indeed, you will probably accumulate an armful of sources. This section outlines how to assemble a bibliography and cite in text.

Assembling a bibliography

RMarkdown uses pandoc to build its bibliographies. ^[One nice feature of this is that, unlike using straight \LaTeX\, you won't need to do a second compile to load in references.] pandoc (and \LaTeX) rely on one or more external bibliography databases that contain all the bibliographic information that you may use in your thesis. In the end though, when it builds your bibliography, it will only create an entry for those items that you actually cite.

The required format for these bibliography database files is BibTeX. BibTeX files are stored in a plain text file with the .bib extension. See this link for more. I have placed an example file under the /bib/ folder. You can simply replace this with your own file under the same name, or point to your file instead by changing the correct field in the YAML header in the main .Rmd file.

There are a variety of tools available for creating these files. For example, you may want to consider using the free and easy-to-use tool called Zotero.
Our wonderful librarians have created documentation on how to use Zotero.

Citing with citr

After creating your personal bibliographic database, you can cite these entries in your dissertation with an @ symbol, followed by the correct, unique identifier for that entry. Let's take for example the Darwin1859 entry that appears in the references.bib file in the bib folder.

Standard parenthetical citations can be indicated with square brackets [@Darwin1859]. Without them, you will get a text citation. For example, @Darwin1859 said some smart things. If you wish to drop the name, say because you wish to replace it with something more fitting in the context, you could say that Darwin's -@Darwin1859 theory of evolution is brilliant.

To cite multiple entries together, you can just concatenate the entries, separated by semi-colons. For example, this package [@iheiddown2020] very much builds and relies upon the excellent work of others [@bookdown2016; @solomon2020].

You can also add page numbers and notes. For example, you should start reading a book from the first page [@Darwin1859, p. 1], though often all of them are good [@Darwin1859, pp. 1-502]. These need not be page numbers, but could be other suffixes. You can add prefixes too [see @bookdown2016; cf. @solomon2020].

A more efficient way for entering these into your documents is by using the R package citr. The citr package includes an 'addin' for RStudio that you can bind a keyboard shortcut to, and that raises a search window where you can type author, year, or title information in to to find the required entry/ies. It is enormously useful, particularly as your bibliography gets larger. If you'd like to learn more, see the README of its GitHub account.

Citing with citr{ width=100%, height=45% }

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Tips for bibliographies



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iheiddown documentation built on May 13, 2022, 9:06 a.m.