APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (8th ed.) Citation

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