APA-referens (7:e uppl.)

HIGMAN, D. (2016). An ecologically annotated checklist of the vascular flora at the Chesapeake Bay Center for field biology, with keys. Smithsonian Institution Scholarly Press.

Chicago-referens (17:e uppl.)

HIGMAN, Daniel. An Ecologically Annotated Checklist of the Vascular Flora at the Chesapeake Bay Center for Field Biology, with Keys. Smithsonian Institution Scholarly Press, 2016.

MLA-referens (9:e uppl.)

HIGMAN, Daniel. An Ecologically Annotated Checklist of the Vascular Flora at the Chesapeake Bay Center for Field Biology, with Keys. Smithsonian Institution Scholarly Press, 2016.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.