APA (7th ed.) Citation

O'Harra, C. C., & Connolly, J. P. (1926). The geology, mineralogy and scenic features of Custer state park, South Dakota.

Chicago Style (17th ed.) Citation

O'Harra, Cleophas Cisney, and Joseph Peter Connolly. The Geology, Mineralogy and Scenic Features of Custer State Park, South Dakota. Rapid City, S. Dak, 1926.

MLA (8th ed.) Citation

O'Harra, Cleophas Cisney, and Joseph Peter Connolly. The Geology, Mineralogy and Scenic Features of Custer State Park, South Dakota. 1926.

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