APA (7th ed.) Citation

Duncan, C., & Machan, T. R. (2005). Libertarianism: For and against. Rowman & Littlefield.

Chicago Style (17th ed.) Citation

Duncan, Craig, and Tibor R. Machan. Libertarianism: For and Against. Lanham, Md.: Rowman & Littlefield, 2005.

MLA (8th ed.) Citation

Duncan, Craig, and Tibor R. Machan. Libertarianism: For and Against. Rowman & Littlefield, 2005.

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