APA (7e ed.) Bronvermelding

Farrer, D. (1975). The Warburgs: The story of a family. Stein and Day.

Chicago (17e ed.) Bronvermelding

Farrer, David. The Warburgs: The Story of a Family. New York: Stein and Day, 1975.

MLA (8e ed.) Bronvermelding

Farrer, David. The Warburgs: The Story of a Family. Stein and Day, 1975.