APA (7th ed.) Citation

Arrieta Arias, E. A. 3. (1). Costa Rica envejece.

Chicago Style (17th ed.) Citation

Arrieta Arias, Esteban Autor 36548. Costa Rica Envejece. 1.

MLA (9th ed.) Citation

Arrieta Arias, Esteban Autor 36548. Costa Rica Envejece. 1.

Warning: These citations may not always be 100% accurate.