APA (7th ed.) Citation

Musil, R., Payne, P., & Mirsky, M. (1999). Diaries, 1899-1941. Basic Books.

Chicago Style (17th ed.) Citation

Musil, Robert, Philip Payne, and Mark Mirsky. Diaries, 1899-1941. New York, NY: Basic Books, 1999.

MLA (9th ed.) Citation

Musil, Robert, et al. Diaries, 1899-1941. Basic Books, 1999.