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I'm writing my dissertation in R markdown. I am using bibtex, pandoc-citeproc, and apa.csl with bookdown. I have new_session: yes in my _bookdown.yml and compiling primarily to PDF (documentclass:book, classoption: oneside).

The system I have is correctly using the full author list in place of "et al." for the first time I cite a 3-6 author work. That said, my adviser wants the full author list for the first time I cite a work per chapter.

Is there an easy way to go about this?

Here is the apa.csl I'm using:

https://github.com/citation-style-language/styles/blob/master/apa.csl

Tyler Peckenpaugh PhD
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  • What does your current "system" look like? – Ralf Stubner Aug 05 '19 at 14:14
  • I'm using R studio, with bookdown, to translate from r markdown to tex and then xelatex to pdf. I'm OS agnostic, bc I have to use windows at school butter I use mac os or ubuntu at home. Under the hood it is using pandoc with citeproc for the transpiling. I have downloaded and included apa.csl. I was looking at the CSL to see if I could figure out how to adjust it to my needs, but I found it a bit opaque... – Tyler Peckenpaugh PhD Aug 06 '19 at 17:41
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    I do not know how to alter the way `pandoc-citeproc` works. I have the hope that a `biblatex` based approach would be more flexible. I have therefore raised https://tex.stackexchange.com/q/503505/140850 – Ralf Stubner Aug 09 '19 at 10:19

1 Answers1

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Turns out that a biblatex based solution is indeed very flexible as @moewe showed on TeX.SE. When one combines style=apa with citerest=chapter one gets the effect you are after. In a minimal R-markdown document:

---
output: 
  pdf_document:
    citation_package: biblatex
documentclass: book
bibliography: biblatex-examples.bib
biblio-style: apa
biblatexoptions:
  - citereset=chapter
---

# Intro

[@herrmann] and [@yoon]

[@herrmann] and [@yoon]

# Method

[@herrmann] and [@yoon]

[@herrmann] and [@yoon]

# References

Make sure that your TeX system includes the biber program.

Ralf Stubner
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