APA (7th ed.) Citation

Martelli, L., & Graham, A. (1986). The World (2nd ed.). Webster Division, McGraw-Hill Book Co..

Chicago Style (17th ed.) Citation

Martelli, Leonard, and Alma Graham. The World. 2nd ed. New York: Webster Division, McGraw-Hill Book Co., 1986.

MLA (9th ed.) Citation

Martelli, Leonard, and Alma Graham. The World. 2nd ed. Webster Division, McGraw-Hill Book Co., 1986.