Cita APA (7th ed.)

Weil, U. (1973). Roald Amundsen. Brockhaus.

Cita Chicago (17th ed.)

Weil, Ursula. Roald Amundsen. Leipzig: Brockhaus, 1973.

Cita MLA (8th ed.)

Weil, Ursula. Roald Amundsen. Brockhaus, 1973.