APA (7th ed.) Citation

Wright, R. (1976). Understanding statistics: An informal introduction for ... HBJ.

Chicago Style (17th ed.) Citation

Wright, R.L.D. Understanding Statistics: An Informal Introduction for ... New York: HBJ, 1976.

MLA (9th ed.) Citation

Wright, R.L.D. Understanding Statistics: An Informal Introduction for ... HBJ, 1976.