Cita APA (7th ed.)

Poulsom, N. W. (1968). The white ribbon: A medallic record of British polar expeditions. Seaby.

Cita Chicago (17th ed.)

Poulsom, Neville Wright. The White Ribbon: A Medallic Record of British Polar Expeditions. London: Seaby, 1968.

Cita MLA (8th ed.)

Poulsom, Neville Wright. The White Ribbon: A Medallic Record of British Polar Expeditions. Seaby, 1968.