APA (7th ed.) Citation

Treat, R. L., & Treat, S. (1968). The official encyclopedia of football (6th rev. ed.). A.S. Barnes.

Chicago Style (17th ed.) Citation

Treat, Roger L., and Suzanne Treat. The Official Encyclopedia of Football. 6th rev. ed. South Brunswick [N.J.]: A.S. Barnes, 1968.

MLA (9th ed.) Citation

Treat, Roger L., and Suzanne Treat. The Official Encyclopedia of Football. 6th rev. ed. A.S. Barnes, 1968.