Cita APA (7a ed.)

Unterecker, J. E. (1970). A reader's guide to William Butler Yeats (15th printing.). Farrar, Straus & Giroux.

Cita Chicago Style (17a ed.)

Unterecker, John Eugene. A Reader's Guide to William Butler Yeats. 15th printing. New York: Farrar, Straus & Giroux, 1970.

Cita MLA (9a ed.)

Unterecker, John Eugene. A Reader's Guide to William Butler Yeats. 15th printing. Farrar, Straus & Giroux, 1970.