एपीए उद्धरण

Valentine, J. W. Evolutionary paleoecology of the marine biosphere.

शिकागो स्टाइल उद्धरण

Valentine, James W. Evolutionary Paleoecology of the Marine Biosphere.

एमएलए उद्धरण

Valentine, James W. Evolutionary Paleoecology of the Marine Biosphere.