Cita APA (7th ed.)

Key, E. (1913). Rahel Varnhagen: A portrait. G. P. Putnam's sons.

Cita Chicago (17th ed.)

Key, Ellen. Rahel Varnhagen: A Portrait. New york and London: G. P. Putnam's sons, 1913.

Cita MLA (8th ed.)

Key, Ellen. Rahel Varnhagen: A Portrait. G. P. Putnam's sons, 1913.