Cita APA (7a ed.)

Toro U., F. J. (2016). ecopetrol 02.

Cita Chicago Style (17a ed.)

Toro U., Francisco J. Ecopetrol 02. 2016.

Cita MLA (8a ed.)

Toro U., Francisco J. Ecopetrol 02. 2016.

Cita IICA/CATIE

Toro U., F. J. 2016. ecopetrol 02.