APA (7th ed.) Citation

Ryan, W. J. L. (1958). Price theory. Macmillan.

Chicago Style (17th ed.) Citation

Ryan, W. J. L. Price Theory. London: Macmillan, 1958.

MLA (9th ed.) Citation

Ryan, W. J. L. Price Theory. Macmillan, 1958.

Warning: These citations may not always be 100% accurate.