Cita APA

Shafer, C. L. (1990). Nature reserves: Island theory and conservation practice. Washington, D. C.: Smithsonian Institution.

Citación estilo Chicago

Shafer, Craig L. Nature Reserves: Island Theory and Conservation Practice. Washington, D. C.: Smithsonian Institution, 1990.

Cita MLA

Shafer, Craig L. Nature Reserves: Island Theory and Conservation Practice. Washington, D. C.: Smithsonian Institution, 1990.

Precaución: Estas citas no son 100% exactas.