APA (7th ed.) Citation

Ryan, W. J. L., & Pearce, D. W. (1977). Price theory (Revised Edition.). Macmillan.

Chicago Style (17th ed.) Citation

Ryan, W. J. L., and D. W. Pearce. Price Theory. Revised Edition. London: Macmillan, 1977.

MLA (9th ed.) Citation

Ryan, W. J. L., and D. W. Pearce. Price Theory. Revised Edition. Macmillan, 1977.