Tietueen sitaatit
APA-viiteSmithsonian American Art Museum & Gurney, G. (2007). Variations on America: Masterworks from American Art Forum Collections. Smithsonian American Art Museum.
Chicago-tyylinen lähdeviittausSmithsonian American Art Museum ja George Gurney. Variations on America: Masterworks from American Art Forum Collections. London : D. Giles ; Washington, D.C.: Smithsonian American Art Museum, 2007.
MLA-viiteSmithsonian American Art Museum ja George Gurney. Variations on America: Masterworks from American Art Forum Collections. Smithsonian American Art Museum, 2007.
Harvard-tyylinen lähdeviittausSmithsonian American Art Museum & Gurney, G. 2007. Variations on America: Masterworks from American Art Forum Collections. London : D. Giles ; Washington, D.C.: Smithsonian American Art Museum.