Cita APA

Sarna-Wojcicki, A. M., & Sarna-Wojcicki, A. M. (2005). Tephra layers of Blind Spring Valley and related upper Pliocene and Pleistocene tephra layers, California, Nevada, and Utah: Isotopic ages, correlation, and magnetostratigraphy. Denver, Colo.: U.S. Geological Survey.

Citación estilo Chicago

Sarna-Wojcicki, Andrei M., y Andrei M. Sarna-Wojcicki. Tephra Layers of Blind Spring Valley and Related Upper Pliocene and Pleistocene Tephra Layers, California, Nevada, and Utah: Isotopic Ages, Correlation, and Magnetostratigraphy. Denver, Colo.: U.S. Geological Survey, 2005.

Cita MLA

Sarna-Wojcicki, Andrei M., y Andrei M. Sarna-Wojcicki. Tephra Layers of Blind Spring Valley and Related Upper Pliocene and Pleistocene Tephra Layers, California, Nevada, and Utah: Isotopic Ages, Correlation, and Magnetostratigraphy. Denver, Colo.: U.S. Geological Survey, 2005.