Cita APA (7a ed.)

Barbieri, P., Andrade, F., Echeverría, H., & Sainz Rozas, H. Nitrogen status in maize grown at different row spacings and nitrogen availability.

Cita Chicago Style (17a ed.)

Barbieri, P.A, F.H Andrade, H.E Echeverría, y H.R Sainz Rozas. Nitrogen Status in Maize Grown at Different Row Spacings and Nitrogen Availability.

Cita MLA (8a ed.)

Barbieri, P.A, et al. Nitrogen Status in Maize Grown at Different Row Spacings and Nitrogen Availability.