Cita APA (7a ed.)

Thumann, A. (1977). Plant engineers and managers guide to energy conservation. Van Nostrand Reinhold.

Cita Chicago Style (17a ed.)

Thumann, Albert. Plant Engineers and Managers Guide to Energy Conservation. New York: Van Nostrand Reinhold, 1977.

Cita MLA (8a ed.)

Thumann, Albert. Plant Engineers and Managers Guide to Energy Conservation. Van Nostrand Reinhold, 1977.