APA (7th ed.) Citation

Whewell, W. (1967). Six lectures on political economy. A. M. Kelley.

Chicago Style (17th ed.) Citation

Whewell, William. Six Lectures on Political Economy. New York: A. M. Kelley, 1967.

MLA (9th ed.) Citation

Whewell, William. Six Lectures on Political Economy. A. M. Kelley, 1967.

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