Cita APA (7th ed.)
ebrary, Inc, & Beckmann, J. P. (2010). Safe passages: Highways, wildlife, and habitat connectivity. Island Press.
Cita Chicago (17th ed.)
ebrary, Inc, i Jon P. Beckmann. Safe Passages: Highways, Wildlife, and Habitat Connectivity. Washington, DC: Island Press, 2010.
Cita MLA (9th ed.)
ebrary, Inc, i Jon P. Beckmann. Safe Passages: Highways, Wildlife, and Habitat Connectivity. Island Press, 2010.
Atenció: Aquestes cites poden no estar 100% correctes.