APA (7th ed.) Citation

Urquidez, B., Farkas, E., & Sobel, S. (1981). Training and fighting skills. Unique Publications.

Chicago Style (17th ed.) Citation

Urquidez, Benny, Emil Farkas, and Stuart Sobel. Training and Fighting Skills. Hollywood, Calif.: Unique Publications, 1981.

MLA (9th ed.) Citation

Urquidez, Benny, et al. Training and Fighting Skills. Unique Publications, 1981.