only display all authors, of multi-author works, the first time a citation is used with biblatex - TeX - LaTeX Stack Exchange
3 Ways to Cite Books with Multiple Authors - wikiHow
Set limit to one author when using "et al." in biblatex - TeX - LaTeX Stack Exchange
citing - How can I most simply, elegantly & robustly avoid awkwardness with Biblatex and author-year, when two authors share a surname and \citeauthor is used? - TeX - LaTeX Stack Exchange
3 Ways to Cite Books with Multiple Authors - wikiHow