APA (7th ed.) Citation

Ziegler, W. L. (1972). Planning as action: Techniques of inventive planning workshops. Educational Policy Research Center.

Chicago Style (17th ed.) Citation

Ziegler, Warren L. Planning as Action: Techniques of Inventive Planning Workshops. New York: Educational Policy Research Center, 1972.

MLA (9th ed.) Citation

Ziegler, Warren L. Planning as Action: Techniques of Inventive Planning Workshops. Educational Policy Research Center, 1972.