Citazione Stile APA (7a Edizione)

Sandburg, C. Prayers of Steel: Carl Sandburg. The Midwest.(1979).

Citazione stile Chigago Style (17a edizione)

Sandburg, Carl. "Prayers of Steel: Carl Sandburg." The Midwest.(1979) .

Citatione MLA (8a ed.)

Sandburg, Carl. "Prayers of Steel: Carl Sandburg." The Midwest.(1979), .