APA (7th ed.) Citation

Morison, S. E., & Raisz, E. (1956). Christopher Columbus, mariner. New American Library.

Chicago Style (17th ed.) Citation

Morison, Samuel Eliot, and Erwin Raisz. Christopher Columbus, Mariner. New York: New American Library, 1956.

MLA (8th ed.) Citation

Morison, Samuel Eliot, and Erwin Raisz. Christopher Columbus, Mariner. New American Library, 1956.

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