Cita APA (7a ed.)

Cheney, E. W. (1966). Introduction to approximation theory. McGraw-Hill Book Co.

Cita Chicago Style (17a ed.)

Cheney, E. W. Introduction to Approximation Theory. New York: McGraw-Hill Book Co, 1966.

Cita MLA (9a ed.)

Cheney, E. W. Introduction to Approximation Theory. McGraw-Hill Book Co, 1966.