The challenge of the environment;
a primer on EPA's statutory authority.

APA Citation

United States. Environmental Protection Agency. (1972). The challenge of the environment: a primer on EPA's statutory authority. Washington, D.C.: The Agency.

MLA Citation

United States. Environmental Protection Agency. The Challenge of the Environment: a Primer On EPA's Statutory Authority. Washington, D.C.: The Agency, 1972.

Warning: These citations may not always be complete (especially for serials).