APA (7th ed.) Citation

Ker, W. P. (2011). Medieval English Literature. Project Gutenberg.

Chicago Style (17th ed.) Citation

Ker, W. P. Medieval English Literature. Project Gutenberg, 2011.

MLA (9th ed.) Citation

Ker, W. P. Medieval English Literature. Project Gutenberg, 2011.

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