Cita APA (7a ed.)
Smith, L. C., El Obeid, A. E., Jensen, H. H., & Johnson, S. R. (1999). The geography and causes of food insecurity in developing countries. Iowa State University Press.
Cita Chicago Style (17a ed.)
Smith, Lisa C., Amani E. El Obeid, Helen H. Jensen, y Stanley R. Johnson. The Geography and Causes of Food Insecurity in Developing Countries. Iowa State University Press, 1999.
Cita MLA (9a ed.)
Smith, Lisa C., et al. The Geography and Causes of Food Insecurity in Developing Countries. Iowa State University Press, 1999.
Precaución: Estas citas no son 100% exactas.