Cita APA (7a ed.)

Merrill, G. P. A treatise on rocks, rock-weathering and soils.

Cita Chicago Style (17a ed.)

Merrill, George Perkins. A Treatise on Rocks, Rock-weathering and Soils. New York.

Cita MLA (8a ed.)

Merrill, George Perkins. A Treatise on Rocks, Rock-weathering and Soils.

Precaución: Estas citas no son 100% exactas.