Cita APA

Sawkins, F. J. (1978). The evolving earth. Macmillan.

Citación estilo Chicago

Sawkins, Frederick J. The Evolving Earth. Macmillan, 1978.

Cita MLA

Sawkins, Frederick J. The Evolving Earth. Macmillan, 1978.

Warning: These citations may not always be 100% accurate.