APA (7th ed.) Citation

Berle, A. A., Jr. (1950). Natural selection of political forces. University of Kansas Press.

Chicago Style (17th ed.) Citation

Berle, Adolf A., Jr. Natural Selection of Political Forces. Lawrence: University of Kansas Press, 1950.

MLA (9th ed.) Citation

Berle, Adolf A., Jr. Natural Selection of Political Forces. University of Kansas Press, 1950.

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