APA (7th ed.) Citation

Brettell, R. R. (1973). Historic Denver: The architects and the architecture, 1858-1893. Historic Denver, inc..

Chicago Style (17th ed.) Citation

Brettell, Richard R. Historic Denver: The Architects and the Architecture, 1858-1893. [Denver]: Historic Denver, inc., 1973.

MLA (9th ed.) Citation

Brettell, Richard R. Historic Denver: The Architects and the Architecture, 1858-1893. Historic Denver, inc., 1973.