APA (7th ed.) Citation

Robertson, J. M. (1957). A short history of freethought: Ancient and modern. Russell & Russell.

Chicago Style (17th ed.) Citation

Robertson, J. M. A Short History of Freethought: Ancient and Modern. New York: Russell & Russell, 1957.

MLA (8th ed.) Citation

Robertson, J. M. A Short History of Freethought: Ancient and Modern. Russell & Russell, 1957.

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