APA (7th ed.) Citation

Cowan, D. E. (2019). Exposing Gnosticism. The Gnostic world, 663-670.

Chicago Style (17th ed.) Citation

Cowan, Douglas E. "Exposing Gnosticism." The Gnostic World 2019: 663-670.

MLA (8th ed.) Citation

Cowan, Douglas E. "Exposing Gnosticism." The Gnostic World, 2019, pp. 663-670.

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