APA (7th ed.) Citation
Earl, B. (1963). Groups and fields: A programmed unit in modern mathematics. McGraw-Hill.
Chicago Style (17th ed.) Citation
Earl, Boyd. Groups and Fields: A Programmed Unit in Modern Mathematics. New York: McGraw-Hill, 1963.
MLA (9th ed.) Citation
Earl, Boyd. Groups and Fields: A Programmed Unit in Modern Mathematics. McGraw-Hill, 1963.
Warning: These citations may not always be 100% accurate.