Cita APA

Owens, S. E., & Owens, P. L. (1991). Environment, resources, and conservation. Cambridge University Press.

Citación estilo Chicago

Owens, Susan E., and Peter L. Owens. Environment, Resources, and Conservation. Cambridge: Cambridge University Press, 1991.

Cita MLA

Owens, Susan E., and Peter L. Owens. Environment, Resources, and Conservation. Cambridge University Press, 1991.