Cita APA (7a ed.)

Kirkham, V. R. D. (1931). Igneous geology of Southwestern Idaho. University Press].

Cita Chicago Style (17a ed.)

Kirkham, Virgil R. D. Igneous Geology of Southwestern Idaho. [Chicago: University Press], 1931.

Cita MLA (8a ed.)

Kirkham, Virgil R. D. Igneous Geology of Southwestern Idaho. University Press], 1931.

Precaución: Estas citas no son 100% exactas.