APA (7th ed.) Citation

Petersen, W. J. (1975). Those curious new cults. Keats.

Chicago Style (17th ed.) Citation

Petersen, William John. Those Curious New Cults. New Canaan, CT: Keats, 1975.

MLA (9th ed.) Citation

Petersen, William John. Those Curious New Cults. Keats, 1975.