APA (7th ed.) Citation

Kohl, H. R. (1977). The age of complexity. Greenwood Press.

Chicago Style (17th ed.) Citation

Kohl, Herbert R. The Age of Complexity. Westport, Conn.: Greenwood Press, 1977.

MLA (9th ed.) Citation

Kohl, Herbert R. The Age of Complexity. Greenwood Press, 1977.