Cita APA

Poldervaart, A. (1963). Crust of the earth (a symposium). Geological Society of America.

Citación estilo Chicago

Poldervaart, Arie. Crust of the Earth (a Symposium). New York: Geological Society of America, 1963.

Cita MLA

Poldervaart, Arie. Crust of the Earth (a Symposium). New York: Geological Society of America, 1963.