APA引文

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引文

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

警告：這些引文格式不一定是100％准確.