एपीए उद्धरण

Darwin, C. Voyage of the beagle. J M Dent and sons.

शिकागो स्टाइल उद्धरण

Darwin, Charles. Voyage of the Beagle. London: J M Dent and sons.

एमएलए उद्धरण

Darwin, Charles. Voyage of the Beagle. J M Dent and sons.