Cita APA

Witkind, I. J. 1., & Witkind, I. J. 1. (1964). Geology of the Abajo Mountains area, San Juan County, Utah. Washington: U.S. Government Printing Office.

Citación estilo Chicago

Witkind, Irving Jerome 1917-, y Irving Jerome 1917- Witkind. Geology of the Abajo Mountains Area, San Juan County, Utah. Washington: U.S. Government Printing Office, 1964.

Cita MLA

Witkind, Irving Jerome 1917-, y Irving Jerome 1917- Witkind. Geology of the Abajo Mountains Area, San Juan County, Utah. Washington: U.S. Government Printing Office, 1964.