APA-Zitierstil (7. Ausg.)

Keppel, F. P. (1930). The foundation: Its place in American life. Macmillan.

Chicago-Zitierstil (17. Ausg.)

Keppel, Frederick P. The Foundation: Its Place in American Life. New York: Macmillan, 1930.

MLA-Zitierstil (9. Ausg.)

Keppel, Frederick P. The Foundation: Its Place in American Life. Macmillan, 1930.