APA (7th ed.) Citation

Farrar, A. S. (2009). History of Free Thought in Reference to The Christian Religion. Project Gutenberg.

Chicago Style (17th ed.) Citation

Farrar, Adam Storey. History of Free Thought in Reference to The Christian Religion. Project Gutenberg, 2009.

MLA (9th ed.) Citation

Farrar, Adam Storey. History of Free Thought in Reference to The Christian Religion. Project Gutenberg, 2009.

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