APA (7th ed.) Citation
Cardiff University. Department of City and Regional Planning, IUCN. World Commission on Protected Areas (WCPA), IUCN, & Phillips Adrian. (1998). Economic values of protected areas: Guidelines for protected area managers. IUCN.
Chicago Style (17th ed.) Citation
Cardiff University. Department of City and Regional Planning, IUCN. World Commission on Protected Areas (WCPA), IUCN, and Phillips Adrian. Economic Values of Protected Areas: Guidelines for Protected Area Managers. IUCN, 1998.
MLA (9th ed.) Citation
Cardiff University. Department of City and Regional Planning, et al. Economic Values of Protected Areas: Guidelines for Protected Area Managers. IUCN, 1998.
Warning: These citations may not always be 100% accurate.