APA Edition Citation

Walker;Helen M. Mathematics Essential for Elementary Statistics: A Self-teaching Manual (Revised Edition 1951.). Holt, Rinehart and Winston.

Chicago Edition Citation

Walker;Helen M. Mathematics Essential for Elementary Statistics: A Self-teaching Manual. Revised Edition 1951. New York: Holt, Rinehart and Winston.

MLA Edition Citation

Walker;Helen M. Mathematics Essential for Elementary Statistics: A Self-teaching Manual. Revised Edition 1951. Holt, Rinehart and Winston.

Warning: These citations may not always be 100% accurate.