APA (7th ed.) Citation

Troward, T. (2008). The Hidden Power, and Other Papers upon Mental Science. Project Gutenberg.

Chicago Style (17th ed.) Citation

Troward, T. The Hidden Power, and Other Papers upon Mental Science. Project Gutenberg, 2008.

MLA (9th ed.) Citation

Troward, T. The Hidden Power, and Other Papers upon Mental Science. Project Gutenberg, 2008.

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