Cita APA (7th ed.)
(1928). Problems of polar research: A series of papers by 31 authors. The Commonwealth Pr.
Cita Chicago (17th ed.)
Problems of Polar Research: A Series of Papers by 31 Authors. New York: The Commonwealth Pr, 1928.
Cita MLA (9th ed.)
Problems of Polar Research: A Series of Papers by 31 Authors. The Commonwealth Pr, 1928.
Atenció: Aquestes cites poden no estar 100% correctes.