APA (7th ed.) Citation

Vaknin, S. (2008). The Capgras Shift. Project Gutenberg.

Chicago Style (17th ed.) Citation

Vaknin, Samuel. The Capgras Shift. Project Gutenberg, 2008.

MLA (9th ed.) Citation

Vaknin, Samuel. The Capgras Shift. Project Gutenberg, 2008.

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