APA (7th ed.) Citation

Coward, N., Morley, S., & Payn, G. (1982). The Noel Coward diaries. Little Brown.

Chicago Style (17th ed.) Citation

Coward, Novel, Sheridan Morley, and Graham Payn. The Noel Coward Diaries. Boston: Little Brown, 1982.

MLA (9th ed.) Citation

Coward, Novel, et al. The Noel Coward Diaries. Little Brown, 1982.