Cita APA (7a ed.)

Butler, D. R. (1995). Zoogeomorphology: Animals as geomorphic agents. Cambridge, Mass. University Press.

Cita Chicago Style (17a ed.)

Butler, David R. Zoogeomorphology: Animals as Geomorphic Agents. Cambridge, Mass.: Cambridge, Mass. University Press, 1995.

Cita MLA (8a ed.)

Butler, David R. Zoogeomorphology: Animals as Geomorphic Agents. Cambridge, Mass. University Press, 1995.