Gleason, H. A. (1927). The Botanical Investigation of Northern South America, a Tri-Institutional Project: Its Aims and Its Needs. Zenodo.
Chicago-Zitierstil (17. Ausg.)Gleason, Henry A. The Botanical Investigation of Northern South America, a Tri-Institutional Project: Its Aims and Its Needs. Zenodo, 1927.
MLA-Zitierstil (9. Ausg.)Gleason, Henry A. The Botanical Investigation of Northern South America, a Tri-Institutional Project: Its Aims and Its Needs. Zenodo, 1927.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.