Cita APA (7th ed.)
Earl, B., Moore, J. W., & Smith, W. I. (1963). Groups and fields ; A programmed unit in modern mathematics (1a. ed.). McGraw-Hill.
Cita Chicago (17th ed.)
Earl, Boyd, J. Williams Moore, i Wendell I. Smith. Groups and Fields ; A Programmed Unit in Modern Mathematics. 1a. ed. New York: McGraw-Hill, 1963.
Cita MLA (9th ed.)
Earl, Boyd, et al. Groups and Fields ; A Programmed Unit in Modern Mathematics. 1a. ed. McGraw-Hill, 1963.
Atenció: Aquestes cites poden no estar 100% correctes.