APA (7th ed.) Citation

O'Brien, D. P. (2004). The classical economists revisited (2nd ed.). Princeton University Press.

Chicago Style (17th ed.) Citation

O'Brien, D. P. The Classical Economists Revisited. 2nd ed. Princeton, N.J.: Princeton University Press, 2004.

MLA (9th ed.) Citation

O'Brien, D. P. The Classical Economists Revisited. 2nd ed. Princeton University Press, 2004.