APA
Roberts Helen Murray, Stockton Doris Skillman, . (1953). Elements of mathematics. Cambridge: Addison- Wesley Publishing Company.
Chicago
Roberts Helen Murray, Stockton Doris Skillman, . 1953. Elements of mathematics. Cambridge: Addison- Wesley Publishing Company.
Harvard
Roberts Helen Murray, Stockton Doris Skillman, . (1953). Elements of mathematics. Cambridge: Addison- Wesley Publishing Company.
MLA
Roberts Helen Murray, Stockton Doris Skillman, . Elements of mathematics. Cambridge: Addison- Wesley Publishing Company. 1953.
