एपीए उद्धरण

Scagel, R. Plant diversity: An evolutionary approch. Wadsworth Publishers.

शिकागो स्टाइल उद्धरण

Scagel, R.F. Plant Diversity: An Evolutionary Approch. Belmount: Wadsworth Publishers.

एमएलए उद्धरण

Scagel, R.F. Plant Diversity: An Evolutionary Approch. Wadsworth Publishers.