एपीए उद्धरण

Birkett, C. (1979). Heredity, development and evolution. Macmillan.

शिकागो स्टाइल उद्धरण

Birkett, Christine. Heredity, Development and Evolution. London: Macmillan, 1979.

एमएलए उद्धरण

Birkett, Christine. Heredity, Development and Evolution. Macmillan, 1979.