PennWell Publishing Company, Wilkerson, R. M., & Reed, D. L. (1981). Crude oil pipeline atlas of the United States and Canada. PennWell Pub. Co..
Chicago Style (17th ed.) CitationPennWell Publishing Company, Robert M. Wilkerson, and Dan L. Reed. Crude Oil Pipeline Atlas of the United States and Canada. Tulsa, Okla.: PennWell Pub. Co., 1981.
MLA (9th ed.) CitationPennWell Publishing Company, et al. Crude Oil Pipeline Atlas of the United States and Canada. PennWell Pub. Co., 1981.
Warning: These citations may not always be 100% accurate.