Academic Phrasebank: http://www.phrasebank.manchester.ac.uk/

APA Style Blog: https://apastyle.apa.org/blog

APA Style and Grammar Guidelines: https://apastyle.apa.org/style-grammar-guidelines

Chicago Manual of Style Blog: http://cmosshoptalk.org/

Harvard Style https://www.imperial.ac.uk/media/imperial-college/administration-and-support-services/library/public/harvard.pdf

Quick reference guides for APA, Chicago, and MLA: https://owl.purdue.edu/owl/purdue_owl.html

Vancouver Style: https://guides.lib.monash.edu/citing-referencing/vancouver