APA (7th ed.) Citation

PenWell Publishing Co & Moore, J. (1989). Worldwide pipelines & contractors directory, 1990 (10th ed.). Penwell.

Chicago Style (17th ed.) Citation

PenWell Publishing Co and Jonelle Moore. Worldwide Pipelines & Contractors Directory, 1990. 10th ed. Tulsa, Oka.: Penwell, 1989.

MLA (9th ed.) Citation

PenWell Publishing Co and Jonelle Moore. Worldwide Pipelines & Contractors Directory, 1990. 10th ed. Penwell, 1989.

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