APA-viite (7. p.)

Cobeña Ruíz, G., Cárdenas Guillen, F. M., Álvarez Plúa, H., & Ramírez Aguirre, C. (2017). Effect of pruning and vine length on yield of three varieties of sweet potato.

Chicago-viite (17. p.)

Cobeña Ruíz, Gloria, Flor María Cárdenas Guillen, Hugo Álvarez Plúa, ja Carlos Ramírez Aguirre. Effect of Pruning and Vine Length on Yield of Three Varieties of Sweet Potato. 2017.

MLA-viite (9. p.)

Cobeña Ruíz, Gloria, et al. Effect of Pruning and Vine Length on Yield of Three Varieties of Sweet Potato. 2017.