एपीए उद्धरण

Langton, N. (1970). Rocket propulsion. University of London press.

शिकागो स्टाइल उद्धरण

Langton, N.H. Rocket Propulsion. London: University of London press, 1970.

एमएलए उद्धरण

Langton, N.H. Rocket Propulsion. University of London press, 1970.