APA (7th ed.) Citation

Warren, S. (1966). American freethought, 1860 - 1914 (Reprint.). Gordian Press.

Chicago Style (17th ed.) Citation

Warren, Sidney. American Freethought, 1860 - 1914. Reprint. New York: Gordian Press, 1966.

MLA (9th ed.) Citation

Warren, Sidney. American Freethought, 1860 - 1914. Reprint. Gordian Press, 1966.

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