APA (7th ed.) Citation

Colvin, S. (1957). Keats. Macmillan.

Chicago Style (17th ed.) Citation

Colvin, Sidney. Keats. London: Macmillan, 1957.

MLA (8th ed.) Citation

Colvin, Sidney. Keats. Macmillan, 1957.

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