Citation is suggested as
Gómez, J., Nivia, A., Montes, N.E., Jiménez, D.M., Tejada, M.L., Sepúlveda, M.J., Osorio, J.A., Gaona, T., Diederix, H., Uribe, H. & Mora, M., compilers. 2007. Geological Map of Colombia 2007. Scale 1:1 000 000. Ingeominas, 2 sheets. Bogotá.