Spache, G. D., & Berg, P. C. (1966). The art of efficient reading (2d ed.). Macmillan.
Chicago Style (17th ed.) CitationSpache, George Daniel, and Paul Conrad Berg. The Art of Efficient Reading. 2d ed. New York: Macmillan, 1966.
MLA (9th ed.) CitationSpache, George Daniel, and Paul Conrad Berg. The Art of Efficient Reading. 2d ed. Macmillan, 1966.
Warning: These citations may not always be 100% accurate.