Cita APA (7a ed.)
Astley, D., & Resources, E. C. P. f. P. G. (1999). Report of a workshop on Umbellifer crop genetic resources, 31 August 1997, Kraków, Poland.
Cita Chicago Style (17a ed.)
Astley, D., y European Cooperative Programme for Plant Genetic Resources. Report of a Workshop on Umbellifer Crop Genetic Resources, 31 August 1997, Kraków, Poland. 1999.
Cita MLA (9a ed.)
Astley, D., y European Cooperative Programme for Plant Genetic Resources. Report of a Workshop on Umbellifer Crop Genetic Resources, 31 August 1997, Kraków, Poland. 1999.
Precaución: Estas citas no son 100% exactas.