Cita APA

LONGWELL, C. R. (1939). A Textbook of geology. John Wiley.

Citación estilo Chicago

LONGWELL, Chester R. A Textbook of Geology. London: John Wiley, 1939.

Cita MLA

LONGWELL, Chester R. A Textbook of Geology. John Wiley, 1939.

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