APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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