APA (7th ed.) Citation

Rubin, N. (1991). Isabella of Castile: The first Renaissance queen. St. Martin's Press.

Chicago Style (17th ed.) Citation

Rubin, Nancy. Isabella of Castile: The First Renaissance Queen. New York: St. Martin's Press, 1991.

MLA (9th ed.) Citation

Rubin, Nancy. Isabella of Castile: The First Renaissance Queen. St. Martin's Press, 1991.

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