Christensen, E. O. (1948). Popular art in the United States: With illustrations from the index of American Design National Gallery of Art Washington, D.C. Penguin Books.
Chicago-Zitierstil (17. Ausg.)Christensen, Erwin Ottomar. Popular Art in the United States: With Illustrations from the Index of American Design National Gallery of Art Washington, D.C. London: Penguin Books, 1948.
MLA-Zitierstil (9. Ausg.)Christensen, Erwin Ottomar. Popular Art in the United States: With Illustrations from the Index of American Design National Gallery of Art Washington, D.C. Penguin Books, 1948.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.