APA-referens

Jon P. Beckmann, & Beckmann, J. P. (2010). Safe passages: Highways, wildlife, and habitat connectivity. Washington, DC: Island Press.

Chicago-stil citat

Jon P. Beckmann, och Jon P. Beckmann. Safe Passages: Highways, Wildlife, and Habitat Connectivity. Washington, DC: Island Press, 2010.

MLA-referens

Jon P. Beckmann, och Jon P. Beckmann. Safe Passages: Highways, Wildlife, and Habitat Connectivity. Washington, DC: Island Press, 2010.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.