Não informado. (1920). Gentes Herbarum: Occasional papers on the kinds of plants. L. H. Bailey Hortorium of the New York State College of Agriculture and Life Sciences.
Chicago-Zitierstil (17. Ausg.)Não informado. Gentes Herbarum: Occasional Papers on the Kinds of Plants. Ithaca, NY: L. H. Bailey Hortorium of the New York State College of Agriculture and Life Sciences, 1920.
MLA-Zitierstil (8. Ausg.)Não informado. Gentes Herbarum: Occasional Papers on the Kinds of Plants. L. H. Bailey Hortorium of the New York State College of Agriculture and Life Sciences, 1920.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.