Cita APA (7a ed.)

Engel, E., & Valdés, R. O. (2014). Optimal fiscal strategy for oil exporting countries.

Cita Chicago Style (17a ed.)

Engel, Eduardo, y Rodrigo O. Valdés. Optimal Fiscal Strategy for Oil Exporting Countries. 2014.

Cita MLA (8a ed.)

Engel, Eduardo, y Rodrigo O. Valdés. Optimal Fiscal Strategy for Oil Exporting Countries. 2014.