APA (7th ed.) Citation

Peterson, R. F. (1982). William Butler Yeats. Twayne.

Chicago Style (17th ed.) Citation

Peterson, Richard F. William Butler Yeats. Boston: Twayne, 1982.

MLA (9th ed.) Citation

Peterson, Richard F. William Butler Yeats. Twayne, 1982.

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