APA (7th ed.) Citation

United States. Department of Energy. (1977). 65 ways to save natural gas. Dept. of Energy, Office of Public Affairs.

Chicago Style (17th ed.) Citation

United States. Department of Energy. 65 Ways to Save Natural Gas. Washington: Dept. of Energy, Office of Public Affairs, 1977.

MLA (9th ed.) Citation

United States. Department of Energy. 65 Ways to Save Natural Gas. Dept. of Energy, Office of Public Affairs, 1977.