Cita APA (7th ed.)

Knorre, M., Dorwick, T., & Glass, W. R. Puntos de partida, an invitation to spanish.

Cita Chicago (17th ed.)

Knorre, Marty, Thalia Dorwick, i William R. Glass. Puntos De Partida, an Invitation to Spanish.

Cita MLA (8th ed.)

Knorre, Marty, et al. Puntos De Partida, an Invitation to Spanish.