APA (7th ed.) Citation

Walker, H. M., & Lev, J. (1969). Elementary statistical methods (3.ed.). Holt, Rinehart & Winston.

Chicago Style (17th ed.) Citation

Walker, Helen M., and Joseph Lev. Elementary Statistical Methods. 3.ed. New York: Holt, Rinehart & Winston, 1969.

MLA (9th ed.) Citation

Walker, Helen M., and Joseph Lev. Elementary Statistical Methods. 3.ed. Holt, Rinehart & Winston, 1969.