APA (7th ed.) Citation

Simon, B. (2004). The essence of the gnostics (Eagle editions.). Chartwell Books.

Chicago Style (17th ed.) Citation

Simon, Bernard. The Essence of the Gnostics. Eagle editions. Edison, N.J: Chartwell Books, 2004.

MLA (9th ed.) Citation

Simon, Bernard. The Essence of the Gnostics. Eagle editions. Chartwell Books, 2004.

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