Cita APA (7a ed.)

Walter, E., & Woodford, K. (2022). Keep it real! A1+Workbook. Santillana.

Cita Chicago Style (17a ed.)

Walter, Elizabeth, y Kate Woodford. Keep It Real! A1+Workbook. Buenos Aires: Santillana, 2022.

Cita MLA (9a ed.)

Walter, Elizabeth, y Kate Woodford. Keep It Real! A1+Workbook. Santillana, 2022.