Cita APA

Dunbar, C. O. (1960). Historical geology. John Wiley r Sons.

Citación estilo Chicago

Dunbar, Carl O. Historical Geology. John Wiley r Sons, 1960.

Cita MLA

Dunbar, Carl O. Historical Geology. John Wiley r Sons, 1960.

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