Cita APA (7th ed.)

Longwell, C. R. 1. [. o. c., Knopf, A. 1. [. o. c., & Flint, R. F. 1. [. o. c. (1941). Outlines of physical geology (2d ed.). J. Wiley & sons, inc. Chapman & Hall, limited.

Cita Chicago (17th ed.)

Longwell, Chester Ray 1887- [from old catalog], Adolph 1882- [from old catalog] Knopf, i Richard Foster 1902- [from old catalog] Flint. Outlines of Physical Geology. 2d ed. New York, London: J. Wiley & sons, inc. Chapman & Hall, limited, 1941.

Cita MLA (9th ed.)

Longwell, Chester Ray 1887- [from old catalog], et al. Outlines of Physical Geology. 2d ed. J. Wiley & sons, inc. Chapman & Hall, limited, 1941.