APA
Gerardi W. J., Jones W. L. & Foster T. R.Essentials of mathematics. New York: .
Chicago
Gerardi William J, Jones Wilmer L and Foster Thomas R.Essentials of mathematics. New York: .
Harvard
Gerardi W. J., Jones W. L. and Foster T. R.Essentials of mathematics. New York: .
MLA
Gerardi William J, Jones Wilmer L and Foster Thomas R.New York: . .