Cita APA

Gamow, G. (1941). Biography of the earth, its past, present and future. New York: The Viking press.

Citación estilo Chicago

Gamow, George. Biography of the Earth, Its Past, Present and Future. New York: The Viking press, 1941.

Cita MLA

Gamow, George. Biography of the Earth, Its Past, Present and Future. New York: The Viking press, 1941.