Cita APA (7a ed.)
Vanlauwe, B., Sanginga, N., & Merckx, R. (2001). Alley cropping with Senna siamea in southwestern Nigeria: 1 Recovery of 15N labelled urea by the alley cropping system. Springer.
Cita Chicago Style (17a ed.)
Vanlauwe, Bernard, N. Sanginga, y Roel Merckx. Alley Cropping with Senna Siamea in Southwestern Nigeria: 1 Recovery of 15N Labelled Urea by the Alley Cropping System. Springer, 2001.
Cita MLA (9a ed.)
Vanlauwe, Bernard, et al. Alley Cropping with Senna Siamea in Southwestern Nigeria: 1 Recovery of 15N Labelled Urea by the Alley Cropping System. Springer, 2001.
Precaución: Estas citas no son 100% exactas.