APA (7th ed.) Citation

Parker, G. (1970). The logic of unity: An economic geography of the Common Market (1. publ., 2. impr.). Longman.

Chicago Style (17th ed.) Citation

Parker, Geoffrey. The Logic of Unity: An Economic Geography of the Common Market. 1. publ., 2. impr. London: Longman, 1970.

MLA (9th ed.) Citation

Parker, Geoffrey. The Logic of Unity: An Economic Geography of the Common Market. 1. publ., 2. impr. Longman, 1970.