APA (7th ed.) Citation

Kamen, H. (1968). The Spanish Inquisition. The New American Library [etc.].

Chicago Style (17th ed.) Citation

Kamen, Henry. The Spanish Inquisition. New York [etc.]: The New American Library [etc.], 1968.

MLA (9th ed.) Citation

Kamen, Henry. The Spanish Inquisition. The New American Library [etc.], 1968.