APA (7th ed.) Citation

Phillips, W. D., & Phillips, C. R. (1992). The worlds of Christopher Columbus / William D. Phillips and Carla Rahn Phillips. Cambridge University Press.

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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

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