APA (7th ed.) Citation

Wheelis, A. (1973). How people change ([1st ed.].). Harper & Row.

Chicago Style (17th ed.) Citation

Wheelis, Allen. How People Change. [1st ed.]. New York: Harper & Row, 1973.

MLA (9th ed.) Citation

Wheelis, Allen. How People Change. [1st ed.]. Harper & Row, 1973.