APA (7th ed.) Citation

Wolf, K. (1999). Personalities and problems: Interpretive essays in world civilizations (2nd ed.). McGraw-Hill College.

Chicago Style (17th ed.) Citation

Wolf, Ken. Personalities and Problems: Interpretive Essays in World Civilizations. 2nd ed. Boston: McGraw-Hill College, 1999.

MLA (9th ed.) Citation

Wolf, Ken. Personalities and Problems: Interpretive Essays in World Civilizations. 2nd ed. McGraw-Hill College, 1999.