APA

Armenteras D., Franco C. & Villarreal H.Ecosystems of the Eastem Andes Mountain Range in Colombia. : .

Chicago

Armenteras Dolors, Franco Carol and Villarreal Héctor.Ecosystems of the Eastem Andes Mountain Range in Colombia. : .

Harvard

Armenteras D., Franco C. and Villarreal H.Ecosystems of the Eastem Andes Mountain Range in Colombia. : .

MLA

Armenteras Dolors, Franco Carol and Villarreal Héctor.: . .