APA (7th ed.) Citation

Stibal, W. O. (1970). Improving the teaching of modern mathematics in the elementary school: Central concepts, study guide, and college workbook (Rev.ed.). Kendall, Hunt.

Chicago Style (17th ed.) Citation

Stibal, Willard O. Improving the Teaching of Modern Mathematics in the Elementary School: Central Concepts, Study Guide, and College Workbook. Rev.ed. Dubuque, Iowa: Kendall, Hunt, 1970.

MLA (9th ed.) Citation

Stibal, Willard O. Improving the Teaching of Modern Mathematics in the Elementary School: Central Concepts, Study Guide, and College Workbook. Rev.ed. Kendall, Hunt, 1970.