APA (7th ed.) Citation

Baltz, E. H., & Myers, D. A. (1984). Porvenir formation (new name)--and other revisions of nomenclature of Mississippian, Pennsylvanian, and lower Permian rocks, southeastern Sangre de Cristo Mountains, New Mexico. United States Department of the Interior, Geological Survey.

Chicago Style (17th ed.) Citation

Baltz, Elmer Harold, and Donald A. Myers. Porvenir Formation (new Name)--and Other Revisions of Nomenclature of Mississippian, Pennsylvanian, and Lower Permian Rocks, Southeastern Sangre De Cristo Mountains, New Mexico. [Reston, Va.]: United States Department of the Interior, Geological Survey, 1984.

MLA (9th ed.) Citation

Baltz, Elmer Harold, and Donald A. Myers. Porvenir Formation (new Name)--and Other Revisions of Nomenclature of Mississippian, Pennsylvanian, and Lower Permian Rocks, Southeastern Sangre De Cristo Mountains, New Mexico. United States Department of the Interior, Geological Survey, 1984.