APA (7th ed.) Citation

Lehmann, L., & Krauch, E. t. (1937). Eternal flight. G.P. Putnam's sons.

Chicago Style (17th ed.) Citation

Lehmann, Lotte, and Elsa tr Krauch. Eternal Flight. New York: G.P. Putnam's sons, 1937.

MLA (9th ed.) Citation

Lehmann, Lotte, and Elsa tr Krauch. Eternal Flight. G.P. Putnam's sons, 1937.