APA (7th ed.) Citation

Barnes, D. L., & Burgdorf, A. B. (1969). New approaches to teaching elementary social studies with illustrative units. Social Studies Pub.

Chicago Style (17th ed.) Citation

Barnes, Donald L., and Arlene B. Burgdorf. New Approaches to Teaching Elementary Social Studies with Illustrative Units. Manila: Social Studies Pub, 1969.

MLA (9th ed.) Citation

Barnes, Donald L., and Arlene B. Burgdorf. New Approaches to Teaching Elementary Social Studies with Illustrative Units. Social Studies Pub, 1969.