APA (7th ed.) Citation

Remarque, E. M., Winston, R., & Winston, C. (1961). Heaven has no favourites. Hutchinson.

Chicago Style (17th ed.) Citation

Remarque, Erich Maria, Richard Winston, and Clara Winston. Heaven Has No Favourites. London: Hutchinson, 1961.

MLA (8th ed.) Citation

Remarque, Erich Maria, et al. Heaven Has No Favourites. Hutchinson, 1961.