APA (7th ed.) Citation

Parker, G. (1981). The logic of unity: A geography of the European Economic Community (3. ed.). Longman.

Chicago Style (17th ed.) Citation

Parker, Geoffrey. The Logic of Unity: A Geography of the European Economic Community. 3. ed. London u.a: Longman, 1981.

MLA (9th ed.) Citation

Parker, Geoffrey. The Logic of Unity: A Geography of the European Economic Community. 3. ed. Longman, 1981.