APA (7th ed.) Citation

Robbins, L. (1976). Political economy: Past and present. Macmillan.

Chicago Style (17th ed.) Citation

Robbins, Lord. Political Economy: Past and Present. London: Macmillan, 1976.

MLA (9th ed.) Citation

Robbins, Lord. Political Economy: Past and Present. Macmillan, 1976.