Cita APA

Peirce, W., Keith, S., & Wilt, J. (1970). Coal, oil, natural gas, helium, and uranium in Arizona. Tucson: University of Arizona.

Citación estilo Chicago

Peirce, Wesley, Stanton Keith, and Jan Wilt. Coal, Oil, Natural Gas, Helium, and Uranium in Arizona. Tucson: University of Arizona, 1970.

Cita MLA

Peirce, Wesley, Stanton Keith, and Jan Wilt. Coal, Oil, Natural Gas, Helium, and Uranium in Arizona. Tucson: University of Arizona, 1970.