APA (7th ed.) Citation

Lipsey, R. G., & Harbury, C. D. (1992). First principles of economics (2nd ed.). Weidenfeld & Nicolson.

Chicago Style (17th ed.) Citation

Lipsey, Richard G., and C. D. Harbury. First Principles of Economics. 2nd ed. London: Weidenfeld & Nicolson, 1992.

MLA (9th ed.) Citation

Lipsey, Richard G., and C. D. Harbury. First Principles of Economics. 2nd ed. Weidenfeld & Nicolson, 1992.