APA (7th ed.) Citation

Sully, J. (2006). Illusions A Psychological Study. Project Gutenberg.

Chicago Style (17th ed.) Citation

Sully, James. Illusions A Psychological Study. Project Gutenberg, 2006.

MLA (9th ed.) Citation

Sully, James. Illusions A Psychological Study. Project Gutenberg, 2006.

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