Cita APA (7th ed.)

Brontman, L. (1938). On the top of the world: The soviet expedition to the North Pole 1937 (1a. ed.). Victor Gollancz Ltd.

Cita Chicago (17th ed.)

Brontman, L. On the Top of the World: The Soviet Expedition to the North Pole 1937. 1a. ed. Londres: Victor Gollancz Ltd, 1938.

Cita MLA (9th ed.)

Brontman, L. On the Top of the World: The Soviet Expedition to the North Pole 1937. 1a. ed. Victor Gollancz Ltd, 1938.