Cita APA (7th ed.)

Gordon, W. J. (1907). Round about the North Pole. With woodcuts and other illustrations by Edward Whymper (1a. ed.). John Murray.

Cita Chicago (17th ed.)

Gordon, W. J. Round About the North Pole. With Woodcuts and Other Illustrations by Edward Whymper. 1a. ed. Londres: John Murray, 1907.

Cita MLA (9th ed.)

Gordon, W. J. Round About the North Pole. With Woodcuts and Other Illustrations by Edward Whymper. 1a. ed. John Murray, 1907.