APA (7th ed.) Citation

Westcott, H. P. (1920). Hand book of natural gas (3d ed.). Metric metal works.

Chicago Style (17th ed.) Citation

Westcott, Henry Palmer. Hand Book of Natural Gas. 3d ed. Erie, Pa.: Metric metal works, 1920.

MLA (8th ed.) Citation

Westcott, Henry Palmer. Hand Book of Natural Gas. 3d ed. Metric metal works, 1920.

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