APA (7th ed.) Citation

Skeen, K. C., & Whitmore, E. H. (1964). Modern basic mathematics : book I: Number systems-structure. Singer.

Chicago Style (17th ed.) Citation

Skeen, Kenneth C., and Edward H. Whitmore. Modern Basic Mathematics : Book I: Number Systems-structure. New York: Singer, 1964.

MLA (9th ed.) Citation

Skeen, Kenneth C., and Edward H. Whitmore. Modern Basic Mathematics : Book I: Number Systems-structure. Singer, 1964.