APA (7th ed.) Citation

Stalker, P. (2007). A guide to countries of the world (Rev. 2nd ed.). Oxford University Press.

Chicago Style (17th ed.) Citation

Stalker, Peter. A Guide to Countries of the World. Rev. 2nd ed. Oxford ; New York: Oxford University Press, 2007.

MLA (9th ed.) Citation

Stalker, Peter. A Guide to Countries of the World. Rev. 2nd ed. Oxford University Press, 2007.