APA (7th ed.) Citation

Owens, S. E., & Owens, P. L. (1991). Environment, resources and conservation (1. publ.). Cambridge Univ. Press.

Chicago Style (17th ed.) Citation

Owens, Susan E., and Peter L. Owens. Environment, Resources and Conservation. 1. publ. Cambridge u.a: Cambridge Univ. Press, 1991.

MLA (9th ed.) Citation

Owens, Susan E., and Peter L. Owens. Environment, Resources and Conservation. 1. publ. Cambridge Univ. Press, 1991.