Cita APA (7a ed.)
Zimdahl, R. L. (2006). Agriculture's ethical horizon. Academic Press.
Cita Chicago Style (17a ed.)
Zimdahl, Robert L. Agriculture's Ethical Horizon. Amsterdam ; Boston: Academic Press, 2006.
Cita MLA (9a ed.)
Zimdahl, Robert L. Agriculture's Ethical Horizon. Academic Press, 2006.
Precaución: Estas citas no son 100% exactas.