Cita APA (7th ed.)

Haar, S. C. (2003). Simon Magus: The first Gnostic? Walter de Gruyter.

Cita Chicago (17th ed.)

Haar, Stephen Charles. Simon Magus: The First Gnostic? Berlin ; New York: Walter de Gruyter, 2003.

Cita MLA (9th ed.)

Haar, Stephen Charles. Simon Magus: The First Gnostic? Walter de Gruyter, 2003.