Philadelphia Museum of Art. (1976). Philadelphia, three centuries of american art: Bicentennial exhibition, april 11-october 10, 1976. Philadelphia Museum of Art.
Chicago-Zitierstil (17. Ausg.)Philadelphia Museum of Art. Philadelphia, Three Centuries of American Art: Bicentennial Exhibition, April 11-october 10, 1976. Philadelphia: Philadelphia Museum of Art, 1976.
MLA-Zitierstil (9. Ausg.)Philadelphia Museum of Art. Philadelphia, Three Centuries of American Art: Bicentennial Exhibition, April 11-october 10, 1976. Philadelphia Museum of Art, 1976.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.