APA استشهاد

Cheney, E. W. (1966). Approximation theory. McGraw-Hill.

استشهاد بنمط شيكاغو

Cheney, E W. Approximation Theory. New York: McGraw-Hill, 1966.

MLA استشهاد

Cheney, E W. Approximation Theory. McGraw-Hill, 1966.