Cita APA (7th ed.)

Pérez de Arce Antoncich, R., & Pérez Oyarzún, F. (2003). Valparaiso School: Open city group. Tanais.

Cita Chicago (17th ed.)

Pérez de Arce Antoncich, Rodrigo, i Fernando Pérez Oyarzún. Valparaiso School: Open City Group. s.l: Tanais, 2003.

Cita MLA (9th ed.)

Pérez de Arce Antoncich, Rodrigo, i Fernando Pérez Oyarzún. Valparaiso School: Open City Group. Tanais, 2003.