Cita APA (7a ed.)

Pétrement, S., & Harrison, C. (1991). A separate god: The christian origins of gnosticism (1st published.). Longman and Todd.

Cita Chicago Style (17a ed.)

Pétrement, Simone, y Carol Harrison. A Separate God: The Christian Origins of Gnosticism. 1st published. London: Longman and Todd, 1991.

Cita MLA (9a ed.)

Pétrement, Simone, y Carol Harrison. A Separate God: The Christian Origins of Gnosticism. 1st published. Longman and Todd, 1991.