APA

Villamil T., Muñoz J. & Muñoz J.The Gibraltar discovery, Northern Llanos Foothills, Colombia: case history of an exploration success in a frontier area. : .

Chicago

Villamil T, Muñoz J and Muñoz J.The Gibraltar discovery, Northern Llanos Foothills, Colombia: case history of an exploration success in a frontier area. : .

Harvard

Villamil T., Muñoz J. and Muñoz J.The Gibraltar discovery, Northern Llanos Foothills, Colombia: case history of an exploration success in a frontier area. : .

MLA

Villamil T, Muñoz J and Muñoz J.: . .