APA (7th ed.) Citation

Abraham, H., & Pfeffer, I. (1977). Enjoying world history. Amsco School Publications.

Chicago Style (17th ed.) Citation

Abraham, Henry, and Irwin Pfeffer. Enjoying World History. New York: Amsco School Publications, 1977.

MLA (9th ed.) Citation

Abraham, Henry, and Irwin Pfeffer. Enjoying World History. Amsco School Publications, 1977.