APA (7th ed.) Citation

Bojer, J., Bateson, S., & Bateson, R. (1937). By day and by night. Appleton-Century.

Chicago Style (17th ed.) Citation

Bojer, Johan, Solvi Bateson, and Richard Bateson. By Day and by Night. New York, London: Appleton-Century, 1937.

MLA (9th ed.) Citation

Bojer, Johan, et al. By Day and by Night. Appleton-Century, 1937.