Cita APA (7a ed.)
Hahn, S., Howland, A., & Wilson, J. (1977). Breeding of root and tuber crops.
Cita Chicago Style (17a ed.)
Hahn, S.K, A.K Howland, y J.E Wilson. Breeding of Root and Tuber Crops. 1977.
Cita MLA (9a ed.)
Hahn, S.K, et al. Breeding of Root and Tuber Crops. 1977.
Precaución: Estas citas no son 100% exactas.