एपीए उद्धरण

Penn, W. (1949). High polymeric chemistry. Chapman & Hall.

शिकागो स्टाइल उद्धरण

Penn, W.S. High Polymeric Chemistry. London: Chapman & Hall, 1949.

एमएलए उद्धरण

Penn, W.S. High Polymeric Chemistry. Chapman & Hall, 1949.