Cita APA (7a ed.)
Singh, Y., Humphreys, E., Kukal, S., Singh, B., Kaur, A., Thaman, S., . . . Gajri, P. (2009). Crop performance in permanent raised bed rice-wheat cropping system in Punjab, India. Elsevier.
Cita Chicago Style (17a ed.)
Singh, Yadvinder, et al. Crop Performance in Permanent Raised Bed Rice-wheat Cropping System in Punjab, India. Elsevier, 2009.
Cita MLA (9a ed.)
Singh, Yadvinder, et al. Crop Performance in Permanent Raised Bed Rice-wheat Cropping System in Punjab, India. Elsevier, 2009.
Precaución: Estas citas no son 100% exactas.