एपीए उद्धरण

Sporne, K. R. (1965). The Morphology of Gymnospems. London: Hutchinson Unversity Library.

शिकागो स्टाइल उद्धरण

Sporne, K. R. The Morphology of Gymnospems. London: Hutchinson Unversity Library, 1965.

एमएलए उद्धरण

Sporne, K. R. The Morphology of Gymnospems. London: Hutchinson Unversity Library, 1965.