APA

Jackson D. L., Jackson L. L., . (2002). The farm as natural habitat. Washington, D.C: Island Press.

Chicago

Jackson Dana L, Jackson Laura L, . 2002. The farm as natural habitat. Washington, D.C: Island Press.

Harvard

Jackson D. L., Jackson L. L., . (2002). The farm as natural habitat. Washington, D.C: Island Press.

MLA

Jackson Dana L, Jackson Laura L, . The farm as natural habitat. Washington, D.C: Island Press. 2002.