Παραπομπή σε μορφή APA (7η εκδ.)

Southworth, G. V. D., & Kramer, S. E. (1922). Great cities of the United States: Historical, descriptive, commercial, industrial. Iroquois Pub. Co..

Παραπομπή σε μορφή Chicago (17η εκδ.)

Southworth, Gertrude Van Duyn, και Stephen Elliott Kramer. Great Cities of the United States: Historical, Descriptive, Commercial, Industrial. Syracuse, N.Y.: Iroquois Pub. Co., 1922.

Παραπομπή σε μορφή MLA (8th εκδ.)

Southworth, Gertrude Van Duyn, και Stephen Elliott Kramer. Great Cities of the United States: Historical, Descriptive, Commercial, Industrial. Iroquois Pub. Co., 1922.