APA (7th ed.) Citation

Peart, R. M., & Doering, O. C. (1976). Evaluating energy-saving practices by simulation. [publisher not identified].

Chicago Style (17th ed.) Citation

Peart, R. M., and Otto C. Doering. Evaluating Energy-saving Practices by Simulation. [St. Louis?]: [publisher not identified], 1976.

MLA (9th ed.) Citation

Peart, R. M., and Otto C. Doering. Evaluating Energy-saving Practices by Simulation. [publisher not identified], 1976.