APA (7th ed.) Citation

Wolf, E. R. (1974). The hidden frontier: Ecology and ethnicity in an Alpine valley. Academic Press.

Chicago Style (17th ed.) Citation

Wolf, Eric Robert. The Hidden Frontier: Ecology and Ethnicity in an Alpine Valley. New York: Academic Press, 1974.

MLA (9th ed.) Citation

Wolf, Eric Robert. The Hidden Frontier: Ecology and Ethnicity in an Alpine Valley. Academic Press, 1974.