APA (7th ed.) Citation

Dudley, N., & Phillips, A. (2006). Forests and protected areas: Guidance on the use of the IUCN protected area management categories. IUCN--the World Conservation Union.

Chicago Style (17th ed.) Citation

Dudley, Nigel, and Adrian Phillips. Forests and Protected Areas: Guidance on the Use of the IUCN Protected Area Management Categories. Gland, Switzerland: IUCN--the World Conservation Union, 2006.

MLA (9th ed.) Citation

Dudley, Nigel, and Adrian Phillips. Forests and Protected Areas: Guidance on the Use of the IUCN Protected Area Management Categories. IUCN--the World Conservation Union, 2006.