Suggestions for apa
The following packages have something in common with the package apa. The packages are ordered in decreasing similarity.
- apa6e: Format manuscripts to APA 6th edition guidelines
 - apa7: Format documents in APA style (7th edition)
 - apa6: Format documents in APA style (6th edition)
 - mslapa: Michael Landy’s APA citation style
 - theapa: APA (American Psychology Association) Reference Citation for LaTeX
 - biblatex-apa: BibLaTeX citation and reference style for APA
 - biblatex-apa6: BibLaTeX citation and reference style for APA 6th Edition
 - newapa: Another APA citation mechanism
 - apacite: Citation style following the rules of the APA
 - apalike2: Bibliography style that approaches APA requirements
 - apabst: Early APA BibTeX style
 - apasoft: An APA-like style for BibTeX
 - asaetr: Transactions of the ASAE
 - articleingud: LaTeX class for articles published in INGENIERIA review
 - acmconf: Class for ACM conference proceedings
 - computational-complexity: Class for the journal Computational Complexity
 - elbioimp: A LaTeX document class for the Journal of Electrical Bioimpedance
 - gaceta: A class to typeset La Gaceta de la RSME
 - jhep: Class for JHEP
 - texemplar: A class for the journal of CervanTeX
 - jmlr: Class files for the Journal of Machine Learning Research
 - quantumarticle: Document class for submissions to the Quantum journal
 - csbulletin: LaTeX class for articles submitted to the CSTUG Bulletin (Zpravodaj)
 - revtex: Styles for various Physics Journals
 - gammas: Template for the GAMM Archive for Students
 - ejpecp: Class for EJP and ECP
 - ieeetran: Document class for IEEE Transactions journals and conferences
 - siggraph: SIGGRAPH conference class
 - nwejm: Support for the journal “North-Western European Journal of Mathematics”
 - elsarticle: Class for articles for submission to Elsevier journals
 - emulateapj: Produce output similar to that of APJ