एपीए उद्धरण

Oldroyd, H. (1964). Natural history of flies. Weidenfield & Nicolson.

शिकागो स्टाइल उद्धरण

Oldroyd, Harold. Natural History of Flies. London: Weidenfield & Nicolson, 1964.

एमएलए उद्धरण

Oldroyd, Harold. Natural History of Flies. Weidenfield & Nicolson, 1964.