APA (7th ed.) Citation

Parker, G. (1968). The logic of unity; an economic geography of the Common Market. Longmans.

Chicago Style (17th ed.) Citation

Parker, Geoffrey. The Logic of Unity; an Economic Geography of the Common Market. London: Longmans, 1968.

MLA (9th ed.) Citation

Parker, Geoffrey. The Logic of Unity; an Economic Geography of the Common Market. Longmans, 1968.

Warning: These citations may not always be 100% accurate.