APA (7th ed.) Citation

Penick, J. L. (1968). Progressive politics and conservation: The Ballinger-Pinchot affair. University of Chicago Press.

Chicago Style (17th ed.) Citation

Penick, James L. Progressive Politics and Conservation: The Ballinger-Pinchot Affair. Chicago: University of Chicago Press, 1968.

MLA (8th ed.) Citation

Penick, James L. Progressive Politics and Conservation: The Ballinger-Pinchot Affair. University of Chicago Press, 1968.

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