APA (7th ed.) Citation

American Petroleum Institute. Exploration and Production Dept. (1993). Model form of voluntary unit operating agreement (4th ed.). American Petroleum Institute.

Chicago Style (17th ed.) Citation

American Petroleum Institute. Exploration and Production Dept. Model Form of Voluntary Unit Operating Agreement. 4th ed. Washington, D.C.: American Petroleum Institute, 1993.

MLA (8th ed.) Citation

American Petroleum Institute. Exploration and Production Dept. Model Form of Voluntary Unit Operating Agreement. 4th ed. American Petroleum Institute, 1993.