APA (7th ed.) Citation

Leon, J. M. (1969). World civilization. Cliff's Notes.

Chicago Style (17th ed.) Citation

Leon, Joseph M. World Civilization. Lincoln, Nebraska: Cliff's Notes, 1969.

MLA (9th ed.) Citation

Leon, Joseph M. World Civilization. Cliff's Notes, 1969.

Warning: These citations may not always be 100% accurate.