Work, R. M. (1988). Depositional environment of Upper Devonian gas producing sandstones, Westmoreland County, southwestern Pennsylvania. [publisher not identified].
Chicago Style (17th ed.) CitationWork, Rebecca Miller. Depositional Environment of Upper Devonian Gas Producing Sandstones, Westmoreland County, Southwestern Pennsylvania. [Place of publication not identified]: [publisher not identified], 1988.
MLA (9th ed.) CitationWork, Rebecca Miller. Depositional Environment of Upper Devonian Gas Producing Sandstones, Westmoreland County, Southwestern Pennsylvania. [publisher not identified], 1988.
Warning: These citations may not always be 100% accurate.