APA (7th ed.) Citation

Conrad, J. M., & Clark, C. W. (1987). Natural resource economics: Notes and problems. Cambridge University Press.

Chicago Style (17th ed.) Citation

Conrad, Jon M., and Colin Whitcomb Clark. Natural Resource Economics: Notes and Problems. Cambridge: Cambridge University Press, 1987.

MLA (8th ed.) Citation

Conrad, Jon M., and Colin Whitcomb Clark. Natural Resource Economics: Notes and Problems. Cambridge University Press, 1987.