Cita APA (7th ed.)
Caro, T. M., & Girling, S. (2010). Conservation by proxy: Indicator, umbrella, keystone, flagship, and other surrogate species. Island Press.
Cita Chicago (17th ed.)
Caro, T. M., i Sheila Girling. Conservation by Proxy: Indicator, Umbrella, Keystone, Flagship, and Other Surrogate Species. Washington, DC: Island Press, 2010.
Cita MLA (9th ed.)
Caro, T. M., i Sheila Girling. Conservation by Proxy: Indicator, Umbrella, Keystone, Flagship, and Other Surrogate Species. Island Press, 2010.
Atenció: Aquestes cites poden no estar 100% correctes.