APA (7th ed.) Citation

Hughes, M., Carlsen, J., & Wardell-Johnson, A. (2011). The economic contribution of protected natural areas: Benefits from human use. Curtin University.

Chicago Style (17th ed.) Citation

Hughes, Michael, Jack Carlsen, and Angela Wardell-Johnson. The Economic Contribution of Protected Natural Areas: Benefits from Human Use. Curtin University, 2011.

MLA (9th ed.) Citation

Hughes, Michael, et al. The Economic Contribution of Protected Natural Areas: Benefits from Human Use. Curtin University, 2011.