APA (7th ed.) Citation

Sales, R. (1991). Christopher Marlowe. St. Martin's Press.

Chicago Style (17th ed.) Citation

Sales, Roger. Christopher Marlowe. New York: St. Martin's Press, 1991.

MLA (8th ed.) Citation

Sales, Roger. Christopher Marlowe. St. Martin's Press, 1991.

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