APA (7th ed.) Citation

Wier, E., & Koering, U. (1969). The long year. D. McKay Co..

Chicago Style (17th ed.) Citation

Wier, Ester, and Ursula Koering. The Long Year. New York: D. McKay Co., 1969.

MLA (9th ed.) Citation

Wier, Ester, and Ursula Koering. The Long Year. D. McKay Co., 1969.