APA (7th ed.) Citation

Hoffman, T., & Johnson, B. (1981). The world energy triangle: A strategy for cooperation. Ballinger Pub. Co..

Chicago Style (17th ed.) Citation

Hoffman, Thomas, and Brian Johnson. The World Energy Triangle: A Strategy for Cooperation. Cambridge, Mass.: Ballinger Pub. Co., 1981.

MLA (9th ed.) Citation

Hoffman, Thomas, and Brian Johnson. The World Energy Triangle: A Strategy for Cooperation. Ballinger Pub. Co., 1981.