APA

Simpson M. G., .Septal nectary anatomy and phylogeny of the Haemodoraceae. : .

Chicago

Simpson Michael G, .Septal nectary anatomy and phylogeny of the Haemodoraceae. : .

Harvard

Simpson M. G., .Septal nectary anatomy and phylogeny of the Haemodoraceae. : .

MLA

Simpson Michael G, .: . .