APA (7th ed.) Citation

Smith, R. V. (1983). Practical natural gas engineering. PennWell Books.

Chicago Style (17th ed.) Citation

Smith, R. V. Practical Natural Gas Engineering. Tulsa, Okla.: PennWell Books, 1983.

MLA (8th ed.) Citation

Smith, R. V. Practical Natural Gas Engineering. PennWell Books, 1983.

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