APA (7th ed.) Citation

Baldwin, C. S. (1914). An introduction to English medieval literature. Longmans, Green, and Co..

Chicago Style (17th ed.) Citation

Baldwin, Charles Sears. An Introduction to English Medieval Literature. New York [etc.]: Longmans, Green, and Co., 1914.

MLA (9th ed.) Citation

Baldwin, Charles Sears. An Introduction to English Medieval Literature. Longmans, Green, and Co., 1914.