APA (7th ed.) Citation

Downie, N. M., & Heath, R. W. (1959). Basic statistical methods. Harper.

Chicago Style (17th ed.) Citation

Downie, Norville Morgan, and R. W. Heath. Basic Statistical Methods. New York: Harper, 1959.

MLA (9th ed.) Citation

Downie, Norville Morgan, and R. W. Heath. Basic Statistical Methods. Harper, 1959.