Cita APA (7a ed.)
Fuglie, K., Zhang, L., Salazar, L., & Walker, T. (1999). Economic impact of virus-free sweetpotato planting material in Shandong province, China. International Potato Center.
Cita Chicago Style (17a ed.)
Fuglie, K.O, L. Zhang, L.F Salazar, y T. Walker. Economic Impact of Virus-free Sweetpotato Planting Material in Shandong Province, China. International Potato Center, 1999.
Cita MLA (9a ed.)
Fuglie, K.O, et al. Economic Impact of Virus-free Sweetpotato Planting Material in Shandong Province, China. International Potato Center, 1999.
Precaución: Estas citas no son 100% exactas.