Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (8a ed.)

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