APA (7th ed.) Citation

Colorado Historical Society. (2011). Denver inside and out. Colorado Historical Society.

Chicago Style (17th ed.) Citation

Colorado Historical Society. Denver Inside and Out. Denver, Colo.: Colorado Historical Society, 2011.

MLA (9th ed.) Citation

Colorado Historical Society. Denver Inside and Out. Colorado Historical Society, 2011.

Warning: These citations may not always be 100% accurate.