APA (7th ed.) Citation

Keynes, J. N. (1891). The scope and method of political economy. Macmillan.

Chicago Style (17th ed.) Citation

Keynes, John Neville. The Scope and Method of Political Economy. London, New York: Macmillan, 1891.

MLA (9th ed.) Citation

Keynes, John Neville. The Scope and Method of Political Economy. Macmillan, 1891.