Midland, Tex. Paleontological Laboratory, & Society of Economic Paleontologists and Mineralogists. Permian Basin Section. (1956). Pennsylvanian correlation chart: Kansas-Oklahoma-Texas-New Mexico. Printing courtesy The Howard co..
Chicago Style (17th ed.) CitationMidland, Tex. Paleontological Laboratory, and Society of Economic Paleontologists and Mineralogists. Permian Basin Section. Pennsylvanian Correlation Chart: Kansas-Oklahoma-Texas-New Mexico. Midland, Tex.: Printing courtesy The Howard co., 1956.
MLA (9th ed.) CitationMidland, Tex. Paleontological Laboratory, and Society of Economic Paleontologists and Mineralogists. Permian Basin Section. Pennsylvanian Correlation Chart: Kansas-Oklahoma-Texas-New Mexico. Printing courtesy The Howard co., 1956.
Warning: These citations may not always be 100% accurate.