Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

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