APA-referens

Alfonso, C. A., Rivero, M., Porras, P., Cabrera, E., & Monedero, M. (2006). Soil conservation practices in maize-bean production systems in Cuba.

Chicago-stil citat

Alfonso, Claro A., Mario Rivero, Pedro Porras, Eduardo Cabrera, och Milagros Monedero. Soil Conservation Practices in Maize-bean Production Systems in Cuba. 2006.

MLA-referens

Alfonso, Claro A., et al. Soil Conservation Practices in Maize-bean Production Systems in Cuba. 2006.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.