Citazione Stile APA (7a Edizione)

Sandburg, C. (1970). Complete poems (Revised and expanded edition.). Harcourt, Brace, Jovanovich.

Citazione stile Chigago Style (17a edizione)

Sandburg, Carl. Complete Poems. Revised and expanded edition. New York: Harcourt, Brace, Jovanovich, 1970.

Citatione MLA (9a ed.)

Sandburg, Carl. Complete Poems. Revised and expanded edition. Harcourt, Brace, Jovanovich, 1970.