Cita APA (7a ed.)
Hardin, G. J. (1999). The ostrich factor: Our population myopia. Oxford University Press.
Cita Chicago Style (17a ed.)
Hardin, Garrett James. The Ostrich Factor: Our Population Myopia. New York: Oxford University Press, 1999.
Cita MLA (9a ed.)
Hardin, Garrett James. The Ostrich Factor: Our Population Myopia. Oxford University Press, 1999.
Precaución: Estas citas no son 100% exactas.