APA (7th ed.) Citation

Cooper, J. G., Armstrong, J., & Cohen, R. (2004). Essays on Taste. Project Gutenberg.

Chicago Style (17th ed.) Citation

Cooper, John Gilbert, John Armstrong, and Ralph Cohen. Essays on Taste. Project Gutenberg, 2004.

MLA (9th ed.) Citation

Cooper, John Gilbert, et al. Essays on Taste. Project Gutenberg, 2004.

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