APA (7th ed.) Citation

Beuthel, W. E. (1977). Directory of environmental organizations in Colorado. Bureau of Governmental Research and Service, University of Colorado at Boulder.

Chicago Style (17th ed.) Citation

Beuthel, William E. Directory of Environmental Organizations in Colorado. Boulder, Colo.: Bureau of Governmental Research and Service, University of Colorado at Boulder, 1977.

MLA (9th ed.) Citation

Beuthel, William E. Directory of Environmental Organizations in Colorado. Bureau of Governmental Research and Service, University of Colorado at Boulder, 1977.