Cita APA

Yeadon, D. (1978). When the earth was young. Garden City, N.Y.: Doubleday.

Citación estilo Chicago

Yeadon, David. When the Earth Was Young. Garden City, N.Y.: Doubleday, 1978.

Cita MLA

Yeadon, David. When the Earth Was Young. Garden City, N.Y.: Doubleday, 1978.