APA (7th ed.) Citation

Walker, B. (1990). Gnosticism: Its history and influence. Borgo Press.

Chicago Style (17th ed.) Citation

Walker, Benjamin. Gnosticism: Its History and Influence. San Bernardino, Calif: Borgo Press, 1990.

MLA (9th ed.) Citation

Walker, Benjamin. Gnosticism: Its History and Influence. Borgo Press, 1990.

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