Cita APA (7a ed.)

Shafer, C. L. (1990). Nature reserves.: Island theory and conservation practice (1st edition.). Smithsonian Institution Press.

Cita Chicago Style (17a ed.)

Shafer, Craig L. Nature Reserves.: Island Theory and Conservation Practice. 1st edition. Washington, DC: Smithsonian Institution Press, 1990.

Cita MLA (8a ed.)

Shafer, Craig L. Nature Reserves.: Island Theory and Conservation Practice. 1st edition. Smithsonian Institution Press, 1990.