APA (7th ed.) Citation

McGuire, E. B. (1951). The British tariff system. Methuen.

Chicago Style (17th ed.) Citation

McGuire, E. B. The British Tariff System. Strand, W.C. London: Methuen, 1951.

MLA (9th ed.) Citation

McGuire, E. B. The British Tariff System. Methuen, 1951.