APA (7th ed.) Citation

United States. Environmental Protection Agency. Office of Policy, Planning, and Evaluation, & United States. Environmental Protection Agency. (1988). Environmental progress and challenges: EPA's update. U.S. Environmental Protection Agency, Office of Policy Planning and Evaluation.

Chicago Style (17th ed.) Citation

United States. Environmental Protection Agency. Office of Policy, Planning, and Evaluation, and United States. Environmental Protection Agency. Environmental Progress and Challenges: EPA's Update. Washington, DC: U.S. Environmental Protection Agency, Office of Policy Planning and Evaluation, 1988.

MLA (9th ed.) Citation

United States. Environmental Protection Agency. Office of Policy, Planning, and Evaluation, and United States. Environmental Protection Agency. Environmental Progress and Challenges: EPA's Update. U.S. Environmental Protection Agency, Office of Policy Planning and Evaluation, 1988.