APA (7th ed.) Citation

Ellis, H. (2004). Studies in the psychology of sex by Havelock Ellis. Project Gutenberg Literary Archive Foundation.

Chicago Style (17th ed.) Citation

Ellis, Havelock. Studies in the Psychology of Sex by Havelock Ellis. Salt Lake City: Project Gutenberg Literary Archive Foundation, 2004.

MLA (9th ed.) Citation

Ellis, Havelock. Studies in the Psychology of Sex by Havelock Ellis. Project Gutenberg Literary Archive Foundation, 2004.

Warning: These citations may not always be 100% accurate.