APA (7th ed.) Citation

Hoffman, E. J. (1982). Synfuels, the problems and the promise. Energon Co..

Chicago Style (17th ed.) Citation

Hoffman, E. J. Synfuels, the Problems and the Promise. Laramie, Wyo.: Energon Co., 1982.

MLA (9th ed.) Citation

Hoffman, E. J. Synfuels, the Problems and the Promise. Energon Co., 1982.