Cita APA

Bullard, F. M. (1963). Volcanoes in history, in theory, in eruption. University of Texas.

Citación estilo Chicago

Bullard, Fred M. Volcanoes in History, in Theory, in Eruption. Texas: University of Texas, 1963.

Cita MLA

Bullard, Fred M. Volcanoes in History, in Theory, in Eruption. Texas: University of Texas, 1963.

Precaución: Estas citas no son 100% exactas.