APA (7th ed.) Citation

Kirch, M. S., & Moonkemeyer, H. (1959). Functional German. American Book.

Chicago Style (17th ed.) Citation

Kirch, Max S., and Heinz Moonkemeyer. Functional German. New York: American Book, 1959.

MLA (9th ed.) Citation

Kirch, Max S., and Heinz Moonkemeyer. Functional German. American Book, 1959.

Warning: These citations may not always be 100% accurate.