Cita APA (7a ed.)
Johnson, R., Hodgkin, T., & Institute, I. P. G. R. (1999). Core collections for today and tomorrow.
Cita Chicago Style (17a ed.)
Johnson, R.C, T. Hodgkin, y International Plant Genetic Resources Institute. Core Collections for Today and Tomorrow. 1999.
Cita MLA (9a ed.)
Johnson, R.C, et al. Core Collections for Today and Tomorrow. 1999.
Precaución: Estas citas no son 100% exactas.