APA (7th ed.) Citation

Chappell, G. S., Hauck, C. W., & Richardson, R. W. (1974). The South Park line: A concise history. Colorado Railroad Museum.

Chicago Style (17th ed.) Citation

Chappell, Gordon S., Cornelius W. Hauck, and Robert W. Richardson. The South Park Line: A Concise History. Golden, Colo.: Colorado Railroad Museum, 1974.

MLA (8th ed.) Citation

Chappell, Gordon S., et al. The South Park Line: A Concise History. Colorado Railroad Museum, 1974.