Cita APA (7a ed.)
International Sympossium on Protected Landscapes Grange-over-sands, Cumbria, England 5-10 october 1987. (1987). Protected landscapes: Experience around the world. IUCN.
Cita Chicago Style (17a ed.)
International Sympossium on Protected Landscapes Grange-over-sands, Cumbria, England 5-10 october 1987. Protected Landscapes: Experience Around the World. Gland, Switzerland: IUCN, 1987.
Cita MLA (9a ed.)
International Sympossium on Protected Landscapes Grange-over-sands, Cumbria, England 5-10 october 1987. Protected Landscapes: Experience Around the World. IUCN, 1987.
Precaución: Estas citas no son 100% exactas.