APA (7th ed.) Citation

Abbott, J. S. C. (1855). History of Hernando Cortez. Harper.

Chicago Style (17th ed.) Citation

Abbott, John S. C. History of Hernando Cortez. New York: Harper, 1855.

MLA (8th ed.) Citation

Abbott, John S. C. History of Hernando Cortez. Harper, 1855.