एपीए उद्धरण

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

शिकागो स्टाइल उद्धरण

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

एमएलए उद्धरण

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