एपीए उद्धरण

Malthus, T. R. (1966). First essays on population. MacMillion.

शिकागो स्टाइल उद्धरण

Malthus, Thomas Robert. First Essays on Population. New York: MacMillion, 1966.

एमएलए उद्धरण

Malthus, Thomas Robert. First Essays on Population. MacMillion, 1966.