Cita APA (7a ed.)
(1990). Centres of plant diversity: An introduction to the project with guidelines for collaborators. IUCN.
Cita Chicago Style (17a ed.)
Centres of Plant Diversity: An Introduction to the Project with Guidelines for Collaborators. s.l.: IUCN, 1990.
Cita MLA (9a ed.)
Centres of Plant Diversity: An Introduction to the Project with Guidelines for Collaborators. IUCN, 1990.
Precaución: Estas citas no son 100% exactas.