APA (7th ed.) Citation

Ryan, W. J. L. (1960). Price theory. Macmillan.

Chicago Style (17th ed.) Citation

Ryan, William James Louden. Price Theory. London: Macmillan, 1960.

MLA (9th ed.) Citation

Ryan, William James Louden. Price Theory. Macmillan, 1960.

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