एपीए उद्धरण

Harres, R. (1970). The method of science. London: Wykeham Publications, ltd.

शिकागो स्टाइल उद्धरण

Harres, R. The Method of Science. London: Wykeham Publications, ltd, 1970.

एमएलए उद्धरण

Harres, R. The Method of Science. London: Wykeham Publications, ltd, 1970.