APA (7th ed.) Citation

Forbes-Robertson, D., & Straus, R. W. (1941). War letters from Britain. Putnam.

Chicago Style (17th ed.) Citation

Forbes-Robertson, Diana, and Roger Williams Straus. War Letters from Britain. New York: Putnam, 1941.

MLA (9th ed.) Citation

Forbes-Robertson, Diana, and Roger Williams Straus. War Letters from Britain. Putnam, 1941.