APA (7th ed.) Citation

Gullers, K. W., & Trenter, S. (1960). Italy. Ziff-Davis Pub. Co..

Chicago Style (17th ed.) Citation

Gullers, K. W., and Stieg Trenter. Italy. New York: Ziff-Davis Pub. Co., 1960.

MLA (9th ed.) Citation

Gullers, K. W., and Stieg Trenter. Italy. Ziff-Davis Pub. Co., 1960.