Morton, R. L., Gray, M., Springstun, E., & Schaaf, W. L. (1955). Making Sure of Arithmetic. Silver Burdett Co..
Chicago Style (17th ed.) CitationMorton, Robert Lee, Merle Gray, Elizabeth Springstun, and William L. Schaaf. Making Sure of Arithmetic. New York: Silver Burdett Co., 1955.
MLA (9th ed.) CitationMorton, Robert Lee, et al. Making Sure of Arithmetic. Silver Burdett Co., 1955.
Warning: These citations may not always be 100% accurate.