Cita APA

Frye, J. C., & Leonard, A. B. (1953). Stratigraphic commission: Definition of time line separating a glacial and interglacial age in the pleistocene. American Association of Petroleum Geologists.

Citación estilo Chicago

Frye, John C., and A. Byron Leonard. Stratigraphic Commission: Definition of Time Line Separating a Glacial and Interglacial Age in the Pleistocene. Oklahoma: American Association of Petroleum Geologists, 1953.

Cita MLA

Frye, John C., and A. Byron Leonard. Stratigraphic Commission: Definition of Time Line Separating a Glacial and Interglacial Age in the Pleistocene. Oklahoma: American Association of Petroleum Geologists, 1953.