Cita APA (7a ed.)
Haddad, L. J., Webb, P., & Slack, A. T. (1997). Trouble down on the farm: What role for agriculture in meeting 'food needs' in the next twenty years? Wiley.
Cita Chicago Style (17a ed.)
Haddad, Lawrence James, Patrick Webb, y Alison T. Slack. Trouble Down on the Farm: What Role for Agriculture in Meeting 'Food Needs' in the Next Twenty Years? Wiley, 1997.
Cita MLA (9a ed.)
Haddad, Lawrence James, et al. Trouble Down on the Farm: What Role for Agriculture in Meeting 'Food Needs' in the Next Twenty Years? Wiley, 1997.
Precaución: Estas citas no son 100% exactas.