APA (7th ed.) Citation

Oxford University Press, Harbury, C., & Lipsey, R. G. (1988). First principles of economics (2nd.). Oxford University Press.

Chicago Style (17th ed.) Citation

Oxford University Press, C. Harbury, and Richard G. Lipsey. First Principles of Economics. 2nd. Oxford: Oxford University Press, 1988.

MLA (8th ed.) Citation

Oxford University Press, et al. First Principles of Economics. 2nd. Oxford University Press, 1988.