APA (7th ed.) Citation

Collis, J. S. (1977). Christopher Columbus. Stein and Day.

Chicago Style (17th ed.) Citation

Collis, John Stewart. Christopher Columbus. New York: Stein and Day, 1977.

MLA (9th ed.) Citation

Collis, John Stewart. Christopher Columbus. Stein and Day, 1977.

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