APA

Cleef A. M., .Phytogeographical position of the neotropical vascular páramo flora with special reference to the Colombian cordillera Oriental. : .

Chicago

Cleef Antoine M, .Phytogeographical position of the neotropical vascular páramo flora with special reference to the Colombian cordillera Oriental. : .

Harvard

Cleef A. M., .Phytogeographical position of the neotropical vascular páramo flora with special reference to the Colombian cordillera Oriental. : .

MLA

Cleef Antoine M, .: . .