APA
Shogren J. F. (., Tschirhart J. (., . (2001). Protecting endangered species in the United States: Biologic. Cambridge: Cambridge Uni Pr.
Chicago
Shogren Jason F (ed), Tschirhart John (ed), . 2001. Protecting endangered species in the United States: Biologic. Cambridge: Cambridge Uni Pr.
Harvard
Shogren J. F. (., Tschirhart J. (., . (2001). Protecting endangered species in the United States: Biologic. Cambridge: Cambridge Uni Pr.
MLA
Shogren Jason F (ed), Tschirhart John (ed), . Protecting endangered species in the United States: Biologic. Cambridge: Cambridge Uni Pr. 2001.