APA (7th ed.) Citation

Open University & Ulph, D. (1979). Political economy and taxation. Open University Press.

Chicago Style (17th ed.) Citation

Open University and David Ulph. Political Economy and Taxation. Milton Keynes: Open University Press, 1979.

MLA (8th ed.) Citation

Open University and David Ulph. Political Economy and Taxation. Open University Press, 1979.