Cita APA (7a ed.)

Perkins, F. (1947). The Roosevelt I knew (4th printing.). Viking.

Cita Chicago Style (17a ed.)

Perkins, Frances. The Roosevelt I Knew. 4th printing. New York: Viking, 1947.

Cita MLA (9a ed.)

Perkins, Frances. The Roosevelt I Knew. 4th printing. Viking, 1947.