APA (7th ed.) Citation

Pei, M., & Gaeng, P. A. (1976). The story of latin and the romance languages. Harper & Row.

Chicago Style (17th ed.) Citation

Pei, Mario, and Paul A. Gaeng. The Story of Latin and the Romance Languages. New York [etc.]: Harper & Row, 1976.

MLA (9th ed.) Citation

Pei, Mario, and Paul A. Gaeng. The Story of Latin and the Romance Languages. Harper & Row, 1976.