APA (7th ed.) Citation

Wheelis, A. (1973). How people change. Harper & Row.

Chicago Style (17th ed.) Citation

Wheelis, Allen. How People Change. New York: Harper & Row, 1973.

MLA (9th ed.) Citation

Wheelis, Allen. How People Change. Harper & Row, 1973.

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