Cita APA (7th ed.)
Cohen, R. L. (2002). Mathematics. McGraw-Hill.
Cita Chicago (17th ed.)
Cohen, Ralph L. Mathematics. New York: McGraw-Hill, 2002.
Cita MLA (9th ed.)
Cohen, Ralph L. Mathematics. McGraw-Hill, 2002.
Atenció: Aquestes cites poden no estar 100% correctes.