APA (7th ed.) Citation

Ziegler, P. (1982). Diana Cooper: A biography (1st American ed.). Knopf.

Chicago Style (17th ed.) Citation

Ziegler, Philip. Diana Cooper: A Biography. 1st American ed. New York: Knopf, 1982.

MLA (9th ed.) Citation

Ziegler, Philip. Diana Cooper: A Biography. 1st American ed. Knopf, 1982.

Warning: These citations may not always be 100% accurate.