APA (7th ed.) Citation

Marshall, A. (1961). Principles of economics. Macmillan and Co.

Chicago Style (17th ed.) Citation

Marshall, Alfred. Principles of Economics. London ; New York: Macmillan and Co, 1961.

MLA (9th ed.) Citation

Marshall, Alfred. Principles of Economics. Macmillan and Co, 1961.

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