APA (7th ed.) Citation

Balzac, H. d., Harcourt-Smith, R., & Nowell-Smith, S. (1957). Beatrix: Love in Duress. Citadel Press.

Chicago Style (17th ed.) Citation

Balzac, Honoré de, Rosamond Harcourt-Smith, and Simon Nowell-Smith. Beatrix: Love in Duress. New York: Citadel Press, 1957.

MLA (9th ed.) Citation

Balzac, Honoré de, et al. Beatrix: Love in Duress. Citadel Press, 1957.