APA

Steyermark J. A., Luteyn J. L., .Revision of the Ochthocosmus (<Linaceae>). : .

Chicago

Steyermark Julian A, Luteyn James L, .Revision of the Ochthocosmus (<Linaceae>). : .

Harvard

Steyermark J. A., Luteyn J. L., .Revision of the Ochthocosmus (<Linaceae>). : .

MLA

Steyermark Julian A, Luteyn James L, .: . .