APA

Sandburg C., . (1950). Complete poems. New York: Harcourt, Brace & World.

Chicago

Sandburg Carl, . 1950. Complete poems. New York: Harcourt, Brace & World.

Harvard

Sandburg C., . (1950). Complete poems. New York: Harcourt, Brace & World.

MLA

Sandburg Carl, . Complete poems. New York: Harcourt, Brace & World. 1950.