Cita APA (7a ed.)

Canetti, Y., & Willy, R. (2009). When times are tough. BrickHouse Education.

Cita Chicago Style (17a ed.)

Canetti, Yanitzia, y Romont Willy. When Times Are Tough. Lawrence, Mass.: BrickHouse Education, 2009.

Cita MLA (8a ed.)

Canetti, Yanitzia, y Romont Willy. When Times Are Tough. BrickHouse Education, 2009.

Precaución: Estas citas no son 100% exactas.