Cita APA (7a ed.)
Watkins, R., Resources, I. B. f. P. G., Smith, R., & Commission, E. (1982). Descriptors list for apple (Malus). International Board for Plant Genetic Resources.
Cita Chicago Style (17a ed.)
Watkins, R., International Board for Plant Genetic Resources, R.A Smith, y European Commission. Descriptors List for Apple (Malus). International Board for Plant Genetic Resources, 1982.
Cita MLA (9a ed.)
Watkins, R., et al. Descriptors List for Apple (Malus). International Board for Plant Genetic Resources, 1982.
Precaución: Estas citas no son 100% exactas.