APA (7th ed.) Citation
Zweig, S. (1938). Conqueror of the seas: The story of Magellan. The Viking press.
Chicago Style (17th ed.) Citation
Zweig, Stefan. Conqueror of the Seas: The Story of Magellan. New York: The Viking press, 1938.
MLA (9th ed.) Citation
Zweig, Stefan. Conqueror of the Seas: The Story of Magellan. The Viking press, 1938.
Warning: These citations may not always be 100% accurate.