Schiffer, D., & Duroska, L. (1969). Football rules in pictures (New and rev. ed.). Grosset & Dunlap.
Chicago Style (17th ed.) CitationSchiffer, Don, and Lud Duroska. Football Rules in Pictures. New and rev. ed. New York: Grosset & Dunlap, 1969.
MLA (9th ed.) CitationSchiffer, Don, and Lud Duroska. Football Rules in Pictures. New and rev. ed. Grosset & Dunlap, 1969.
Warning: These citations may not always be 100% accurate.