Collins, A. C. The story of america in pictures: With an introduction by claude g.browers (New revised edition.). New york.
Chicago (17e ed.) BronvermeldingCollins, Alan C. The Story of America in Pictures: With an Introduction by Claude G.browers. New revised edition. Garden City: New york.
MLA (9e ed.) BronvermeldingCollins, Alan C. The Story of America in Pictures: With an Introduction by Claude G.browers. New revised edition. New york.
Let op: Deze citaties zijn niet altijd 100% accuraat.