National Football League Properties, inc. Creative Services Division, Rutledge Books, inc, & Bennett, T. (1977). The NFL's official encyclopedic history of professional football (2d ed.). Macmillan.
Chicago Style (17th ed.) CitationNational Football League Properties, inc. Creative Services Division, inc Rutledge Books, and Tom Bennett. The NFL's Official Encyclopedic History of Professional Football. 2d ed. New York: Macmillan, 1977.
MLA (9th ed.) CitationNational Football League Properties, inc. Creative Services Division, et al. The NFL's Official Encyclopedic History of Professional Football. 2d ed. Macmillan, 1977.
Warning: These citations may not always be 100% accurate.