Smithsonian Institution. Office of the Secretary, Britton, N. L., & Rose, J. N. (1921). Neoabbottia, new cactus genus from Hispaniola. [publisher not identified].
Chicago Style (17th ed.) CitationSmithsonian Institution. Office of the Secretary, Nathaniel Lord Britton, and J. N. Rose. Neoabbottia, New Cactus Genus from Hispaniola. Washington, D.C.: [publisher not identified], 1921.
MLA (9th ed.) CitationSmithsonian Institution. Office of the Secretary, et al. Neoabbottia, New Cactus Genus from Hispaniola. [publisher not identified], 1921.
Warning: These citations may not always be 100% accurate.