APA

Gleason H. A., .Studies on the flora of northern South America - XIII. The tate collection from Mount Roraima and Vicinity. : .

Chicago

Gleason H A, .Studies on the flora of northern South America - XIII. The tate collection from Mount Roraima and Vicinity. : .

Harvard

Gleason H. A., .Studies on the flora of northern South America - XIII. The tate collection from Mount Roraima and Vicinity. : .

MLA

Gleason H A, .: . .