APA (7th ed.) Citation

Seligman, E. R. A. (1914). Principles of economics: With special reference to American conditions (6th ed. rev and rewritten.). Longmans.

Chicago Style (17th ed.) Citation

Seligman, Edwin Robert Anderson. Principles of Economics: With Special Reference to American Conditions. 6th ed. rev and rewritten. London: Longmans, 1914.

MLA (9th ed.) Citation

Seligman, Edwin Robert Anderson. Principles of Economics: With Special Reference to American Conditions. 6th ed. rev and rewritten. Longmans, 1914.