एपीए उद्धरण

Cottrell, T. L. (1970). Chemistry (2nd ed.). Oxford University.

शिकागो स्टाइल उद्धरण

Cottrell, T L. Chemistry. 2nd ed. London: Oxford University, 1970.

एमएलए उद्धरण

Cottrell, T L. Chemistry. 2nd ed. Oxford University, 1970.