APA (7th ed.) Citation

PennWell Publishing Company. (1990). Natural gas pipelines of the United States and Canada (3rd ed.). The Company.

Chicago Style (17th ed.) Citation

PennWell Publishing Company. Natural Gas Pipelines of the United States and Canada. 3rd ed. Tulsa, Okla.: The Company, 1990.

MLA (9th ed.) Citation

PennWell Publishing Company. Natural Gas Pipelines of the United States and Canada. 3rd ed. The Company, 1990.

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