APA (7th ed.) Citation

Peterson, R. F. (1982). William Butler Yeats / by Richard F. Peterson. Twayne Publishers.

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

Peterson, Richard F. William Butler Yeats / by Richard F. Peterson. Twayne Publishers, 1982.

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