Goodspeed, T. H. (1954). The genus nicotiana. [y.y.]: Waltham Mas.
Chicago Style CitationGoodspeed, Thomas Harper. The Genus Nicotiana. [y.y.]: Waltham Mas, 1954.
MLA CitationGoodspeed, Thomas Harper. The Genus Nicotiana. [y.y.]: Waltham Mas, 1954.
Warning: These citations may not always be 100% accurate.