Dyfyniad APA

Sandburg, C., & Mitgang, H. ,. (1968). The Letters of Carl Sandburg. New York: Harcourt, Brace & World.

Dyfyniad Arddull Chicago

Sandburg, Carl., và Herbert Mitgang. The Letters of Carl Sandburg. New York: Harcourt, Brace & World, 1968.

Dyfyniad MLA

Sandburg, Carl., và Herbert Mitgang. The Letters of Carl Sandburg. New York: Harcourt, Brace & World, 1968.

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