APA (7th ed.) Citation

Prescott, W. H. (1838). History of the reign of Ferdinand and Isabella (7th ed., rev.). International Book Co.

Chicago Style (17th ed.) Citation

Prescott, William Hickling. History of the Reign of Ferdinand and Isabella. 7th ed., rev. New York: International Book Co, 1838.

MLA (9th ed.) Citation

Prescott, William Hickling. History of the Reign of Ferdinand and Isabella. 7th ed., rev. International Book Co, 1838.