APA (7th ed.) Citation

Maugham, W. S., Clarke, T. E. B., Macrae, A., & Ambler, E. (1951). Encore: Stories. Heinemann.

Chicago Style (17th ed.) Citation

Maugham, W. Somerset, T. E. B. Clarke, Arthur Macrae, and Eric Ambler. Encore: Stories. London ; Melbourne: Heinemann, 1951.

MLA (8th ed.) Citation

Maugham, W. Somerset, et al. Encore: Stories. Heinemann, 1951.