APA (7th ed.) Citation

Churton, T. (2005). Gnostic philosophy: From ancient Persia to modern times. Inner Traditions.

Chicago Style (17th ed.) Citation

Churton, Tobias. Gnostic Philosophy: From Ancient Persia to Modern Times. Rochester, Vt: Inner Traditions, 2005.

MLA (8th ed.) Citation

Churton, Tobias. Gnostic Philosophy: From Ancient Persia to Modern Times. Inner Traditions, 2005.

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