Barr, A. S., & Burton, W. H. (1926). The supervision of instruction: A general volume. D. Appleton and company.
Chicago Style (17th ed.) CitationBarr, Arvil Sylvester, and William Henry Burton. The Supervision of Instruction: A General Volume. New York, London: D. Appleton and company, 1926.
MLA (9th ed.) CitationBarr, Arvil Sylvester, and William Henry Burton. The Supervision of Instruction: A General Volume. D. Appleton and company, 1926.
Warning: These citations may not always be 100% accurate.