एपीए उद्धरण

Cartmell, E., & Fowles, G. W. A. (1977). Valency and molecular structure. Butterworths.

शिकागो स्टाइल उद्धरण

Cartmell, E., और G W A. Fowles. Valency and Molecular Structure. London: Butterworths, 1977.

एमएलए उद्धरण

Cartmell, E., और G W A. Fowles. Valency and Molecular Structure. Butterworths, 1977.