APA (7th ed.) Citation

Beaumont, P., Blake, G. H., & Wagstaff, J. M. (1988). The Middle East: A geographical study (2nd ed.). Halsted Press.

Chicago Style (17th ed.) Citation

Beaumont, Peter, Gerald Henry Blake, and J. Malcolm Wagstaff. The Middle East: A Geographical Study. 2nd ed. New York: Halsted Press, 1988.

MLA (9th ed.) Citation

Beaumont, Peter, et al. The Middle East: A Geographical Study. 2nd ed. Halsted Press, 1988.