National Football League Properties, inc, Boss, D., & Oates, B. (1969). The first fifty years: A celebration of the National Football League in its fiftieth season.
Chicago Style (17th ed.) CitationNational Football League Properties, inc, David Boss, and Bob Oates. The First Fifty Years: A Celebration of the National Football League in Its Fiftieth Season. 1969.
MLA (9th ed.) CitationNational Football League Properties, inc, et al. The First Fifty Years: A Celebration of the National Football League in Its Fiftieth Season. 1969.
Warning: These citations may not always be 100% accurate.