APA

Luteyn J. L., .New Burmeistera (<Campanulaceae: Lobelioideae>) from western Colombia. : .

Chicago

Luteyn James L, .New Burmeistera (<Campanulaceae: Lobelioideae>) from western Colombia. : .

Harvard

Luteyn J. L., .New Burmeistera (<Campanulaceae: Lobelioideae>) from western Colombia. : .

MLA

Luteyn James L, .: . .