APA (7th ed.) Citation

Beke, L., Kossar, L., & Zoltan, R. M. (1957). A student's diary: Budapest, October 16-November 1, 1956. Viking.

Chicago Style (17th ed.) Citation

Beke, László, Leon Kossar, and Ralph M. Zoltan. A Student's Diary: Budapest, October 16-November 1, 1956. New York: Viking, 1957.

MLA (9th ed.) Citation

Beke, László, et al. A Student's Diary: Budapest, October 16-November 1, 1956. Viking, 1957.