APA (7th ed.) Citation

Wright, R. G., & Lemons, J. (1996). National parks and protected areas: Their role in environmental protection. Blackwell Science.

Chicago Style (17th ed.) Citation

Wright, R. Gerald, and John Lemons. National Parks and Protected Areas: Their Role in Environmental Protection. Cambridge, Mass.: Blackwell Science, 1996.

MLA (9th ed.) Citation

Wright, R. Gerald, and John Lemons. National Parks and Protected Areas: Their Role in Environmental Protection. Blackwell Science, 1996.