APA (7th ed.) Citation

Ryan, W. J. L. (1958). Price theory. Macmillan; St. Martin's Press.

Chicago Style (17th ed.) Citation

Ryan, William James Louden. Price Theory. London, New York: Macmillan; St. Martin's Press, 1958.

MLA (9th ed.) Citation

Ryan, William James Louden. Price Theory. Macmillan; St. Martin's Press, 1958.

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