APA (7th ed.) Citation

Wilkins, G. H. (1931). Under the North Pole: The Wilkins-Ellsworth submarine expedition. Benn.

Chicago Style (17th ed.) Citation

Wilkins, George Hubert. Under the North Pole: The Wilkins-Ellsworth Submarine Expedition. London: Benn, 1931.

MLA (8th ed.) Citation

Wilkins, George Hubert. Under the North Pole: The Wilkins-Ellsworth Submarine Expedition. Benn, 1931.

Warning: These citations may not always be 100% accurate.