Cita APA (7th ed.)

Frost, R., & Untermeyer, L. (1971). Robert Frost's poems: With an introduction and commentary. Pocket Books.

Cita Chicago (17th ed.)

Frost, Robert, i Louis Untermeyer. Robert Frost's Poems: With an Introduction and Commentary. New York: Pocket Books, 1971.

Cita MLA (8th ed.)

Frost, Robert, i Louis Untermeyer. Robert Frost's Poems: With an Introduction and Commentary. Pocket Books, 1971.