APA (7th ed.) Citation

Gear, W. M., & Gear, K. O. N. (1990). People Of The Wolf. Tor Book.

Chicago Style (17th ed.) Citation

Gear, W. Michael, and Kathleen O' Neal Gear. People Of The Wolf. London: Tor Book, 1990.

MLA (9th ed.) Citation

Gear, W. Michael, and Kathleen O' Neal Gear. People Of The Wolf. Tor Book, 1990.