Cita APA (7th ed.)

Sommer, R. L. (1996). American architecture: An illustrated history. Crescent Books.

Cita Chicago (17th ed.)

Sommer, Robin Langley. American Architecture: An Illustrated History. New York: Crescent Books, 1996.

Cita MLA (9th ed.)

Sommer, Robin Langley. American Architecture: An Illustrated History. Crescent Books, 1996.