Cita APA (7a ed.)

American Landscape (Washington). (1966). American landscape: A changing frontier. Smithsonian Institution National Collection of Fine Arts.

Cita Chicago Style (17a ed.)

American Landscape (Washington). American Landscape: A Changing Frontier. Washington: Smithsonian Institution National Collection of Fine Arts, 1966.

Cita MLA (9a ed.)

American Landscape (Washington). American Landscape: A Changing Frontier. Smithsonian Institution National Collection of Fine Arts, 1966.