Cita APA (7a ed.)

Salazar, J. M., & Barry, E. Observations on the political reforms of Colombia.

Cita Chicago Style (17a ed.)

Salazar, J. M., y Edward Barry. Observations on the Political Reforms of Colombia. Philadelphia.

Cita MLA (8a ed.)

Salazar, J. M., y Edward Barry. Observations on the Political Reforms of Colombia.