Cita APA (7a ed.)
Thornton, P. K., & Wilkens, P. (1998). Risk assessment and food security. Springer.
Cita Chicago Style (17a ed.)
Thornton, Philip K., y P.W Wilkens. Risk Assessment and Food Security. Springer, 1998.
Cita MLA (9a ed.)
Thornton, Philip K., y P.W Wilkens. Risk Assessment and Food Security. Springer, 1998.
Precaución: Estas citas no son 100% exactas.