APA (7th ed.) Citation

Walker, H. M. (1951). Mathematics essential for elementary statistics: A self-teaching manual (Rev. ed.). Holt, Rinehart & Winston.

Chicago Style (17th ed.) Citation

Walker, Helen Mary. Mathematics Essential for Elementary Statistics: A Self-teaching Manual. Rev. ed. New York: Holt, Rinehart & Winston, 1951.

MLA (9th ed.) Citation

Walker, Helen Mary. Mathematics Essential for Elementary Statistics: A Self-teaching Manual. Rev. ed. Holt, Rinehart & Winston, 1951.