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.