Παραπομπή σε μορφή APA (7η εκδ.)

Spahr, C. B. (1896). An essay on the present distribution of wealth in the United States. T.Y. Crowell & Company.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Spahr, Charles Barzillai. An Essay on the Present Distribution of Wealth in the United States. New York, Boston: T.Y. Crowell & Company, 1896.

Παραπομπή σε μορφή MLA (8th εκδ.)

Spahr, Charles Barzillai. An Essay on the Present Distribution of Wealth in the United States. T.Y. Crowell & Company, 1896.