APA (7th ed.) Citation

Zackrison, H. B. Energy conservation techniques for engineers. Van Nostrand Reinhold Company.

Chicago Style (17th ed.) Citation

Zackrison, Harry B. Energy Conservation Techniques for Engineers. Van Nostrand Reinhold Company.

MLA (8th ed.) Citation

Zackrison, Harry B. Energy Conservation Techniques for Engineers. Van Nostrand Reinhold Company.

Warning: These citations may not always be 100% accurate.