एपीए उद्धरण

(2004). Symbiotic nitrogen fixation: Prospects for enhanced application in tropical agriculture. Enfield, NH: Science Publishers ( SP ).

शिकागो स्टाइल उद्धरण

Symbiotic Nitrogen Fixation: Prospects for Enhanced Application in Tropical Agriculture. Enfield, NH: Science Publishers ( SP ), 2004.

एमएलए उद्धरण

Symbiotic Nitrogen Fixation: Prospects for Enhanced Application in Tropical Agriculture. Enfield, NH: Science Publishers ( SP ), 2004.