APA
Jeffery A. McNeely (ed.), . (1993). Parks for life: report of the IVth world congress on National Parks and Protected Areas Feb.92. SWITZERLAND: IUCN.
Chicago
Jeffery A. McNeely (ed.), . 1993. Parks for life: report of the IVth world congress on National Parks and Protected Areas Feb.92. SWITZERLAND: IUCN.
Harvard
Jeffery A. McNeely (ed.), . (1993). Parks for life: report of the IVth world congress on National Parks and Protected Areas Feb.92. SWITZERLAND: IUCN.
MLA
Jeffery A. McNeely (ed.), . Parks for life: report of the IVth world congress on National Parks and Protected Areas Feb.92. SWITZERLAND: IUCN. 1993.