Não informado. (1911). Contributions from the Brooklyn Botanic Garden. Brooklyn Institute of Arts and Sciences.
Chicago-referens (17:e uppl.)Não informado. Contributions from the Brooklyn Botanic Garden. Brooklyn, NY: Brooklyn Institute of Arts and Sciences, 1911.
MLA-referens (8:e uppl.)Não informado. Contributions from the Brooklyn Botanic Garden. Brooklyn Institute of Arts and Sciences, 1911.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.