APA (7th ed.) Citation

United States. Energy Information Administration. Office of Oil and Gas. (1987). An Analysis of natural gas contracts. Energy Information Administration, Office of Oil and Gas, U.S. Dept. of Energy.

Chicago Style (17th ed.) Citation

United States. Energy Information Administration. Office of Oil and Gas. An Analysis of Natural Gas Contracts. Washington, DC: Energy Information Administration, Office of Oil and Gas, U.S. Dept. of Energy, 1987.

MLA (9th ed.) Citation

United States. Energy Information Administration. Office of Oil and Gas. An Analysis of Natural Gas Contracts. Energy Information Administration, Office of Oil and Gas, U.S. Dept. of Energy, 1987.