APA (7th ed.) Citation

Phillips, C. R., & Phillips, W. D. (1992). The worlds of Christopher Columbus. Cambridge University Press.

Chicago Style (17th ed.) Citation

Phillips, Carla Rahn, and William D. Phillips. The Worlds of Christopher Columbus. New York: Cambridge University Press, 1992.

MLA (9th ed.) Citation

Phillips, Carla Rahn, and William D. Phillips. The Worlds of Christopher Columbus. Cambridge University Press, 1992.

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