APA stil citiranja

Heatwole, O. W., & Pei, M. A. (1949). A comparative practical grammar of French, Spanish and Italian: A comparative practical grammar of French, Spanish and Italian. New York: S. F. Vanni.

Chicago stil citiranja

Heatwole, Oliver W., and Mario A. Pei. A comparative practical grammar of French, Spanish and Italian: A comparative practical grammar of French, Spanish and Italian. New York: S. F. Vanni, 1949.

MLA stil citiranja

Heatwole, Oliver W., and Mario A. Pei. A comparative practical grammar of French, Spanish and Italian: A comparative practical grammar of French, Spanish and Italian. New York: S. F. Vanni, 1949.