APA (7th ed.) Citation

Assistance League of Denver, Denver Art Museum, & Miller, A. J. (1966). The Western frontier: [exhibition] July 28 through October 9, 1966. [Denver Art Museum].

Chicago Style (17th ed.) Citation

Assistance League of Denver, Denver Art Museum, and Alfred Jacob Miller. The Western Frontier: [exhibition] July 28 Through October 9, 1966. [Denver]: [Denver Art Museum], 1966.

MLA (9th ed.) Citation

Assistance League of Denver, et al. The Western Frontier: [exhibition] July 28 Through October 9, 1966. [Denver Art Museum], 1966.