Seltzer, M., & Zoll, E. J. (1963). Bases and numerals: An introduction to numeration. Macmillan.
Chicago Style (17th ed.) CitationSeltzer, Morton, and Edward Joseph Zoll. Bases and Numerals: An Introduction to Numeration. New York: Macmillan, 1963.
MLA (9th ed.) CitationSeltzer, Morton, and Edward Joseph Zoll. Bases and Numerals: An Introduction to Numeration. Macmillan, 1963.
Warning: These citations may not always be 100% accurate.