Cita APA

Vega, S., & Maroto, I. M. (1984). Pesticides for restricted use in the United States are freely imported into Costa Rica. Universidad Nacional, Costa Rica.

Citación estilo Chicago

Vega, Sileny, y Irma M. Maroto. Pesticides for Restricted Use in the United States Are Freely Imported Into Costa Rica. Universidad Nacional, Costa Rica, 1984.

Cita MLA

Vega, Sileny, y Irma M. Maroto. Pesticides for Restricted Use in the United States Are Freely Imported Into Costa Rica. Universidad Nacional, Costa Rica, 1984.