Cita APA (7a ed.)
El Obeid, A. E., Johnson, S. R., Smith, L. C., & Jensen, H. H. (1999). Commodity supply and use balances and food availability. Iowa State University Press.
Cita Chicago Style (17a ed.)
El Obeid, Amani E., Stanley R. Johnson, Lisa C. Smith, y Helen H. Jensen. Commodity Supply and Use Balances and Food Availability. Iowa State University Press, 1999.
Cita MLA (9a ed.)
El Obeid, Amani E., et al. Commodity Supply and Use Balances and Food Availability. Iowa State University Press, 1999.
Precaución: Estas citas no son 100% exactas.