APA (7th ed.) Citation

Wast, H., Imbert, L., & Le Clercq, J. G. C. (1930). The strength of lovers. Longmans, Green.

Chicago Style (17th ed.) Citation

Wast, Hugo, Louis Imbert, and Jacques Georges Clemenceau Le Clercq. The Strength of Lovers. London, New York [etc.]: Longmans, Green, 1930.

MLA (9th ed.) Citation

Wast, Hugo, et al. The Strength of Lovers. Longmans, Green, 1930.