APA (7th ed.) Citation

De Souza, A. R. (1990). A geography of world economy. Mcmillan.

Chicago Style (17th ed.) Citation

De Souza, Anthony R. A Geography of World Economy. New York: Mcmillan, 1990.

MLA (9th ed.) Citation

De Souza, Anthony R. A Geography of World Economy. Mcmillan, 1990.