एपीए उद्धरण

Goodspees, T. H. (1954). Genus Nicotiana: Origins, relationships and evolution of its species in the.

शिकागो स्टाइल उद्धरण

Goodspees, Thomas Harper. Genus Nicotiana: Origins, Relationships and Evolution of Its Species in the. 1954.

एमएलए उद्धरण

Goodspees, Thomas Harper. Genus Nicotiana: Origins, Relationships and Evolution of Its Species in the. 1954.