APA-Zitierstil (7. Ausg.)

Sergeant, E. S. (1961). Robert Frost: The trial by existence (4. print.). Holt, Rinehart and Winston.

Chicago-Zitierstil (17. Ausg.)

Sergeant, Elizabeth Shepley. Robert Frost: The Trial by Existence. 4. print. New York: Holt, Rinehart and Winston, 1961.

MLA-Zitierstil (9. Ausg.)

Sergeant, Elizabeth Shepley. Robert Frost: The Trial by Existence. 4. print. Holt, Rinehart and Winston, 1961.