APA (7th ed.) Citation

Burdick, D. L., & Leffler, W. L. (2010). Petrochemicals in nontechnical language (4th ed.). PennWell Corp..

Chicago Style (17th ed.) Citation

Burdick, Donald L., and William L. Leffler. Petrochemicals in Nontechnical Language. 4th ed. Tulsa, OK: PennWell Corp., 2010.

MLA (9th ed.) Citation

Burdick, Donald L., and William L. Leffler. Petrochemicals in Nontechnical Language. 4th ed. PennWell Corp., 2010.

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