Cita APA (7a ed.)

Engelmann, S., Owen Engelmann, Engelmann, O., & Davis, K. L. S. (2002). Horizons: Learning to read (Level A, 3. [print].). SRA McGraw-Hill.

Cita Chicago Style (17a ed.)

Engelmann, Siegfried, Owen Engelmann, Owen Engelmann, y Karen Lou Seitz Davis. Horizons: Learning to Read. Level A, 3. [print]. Columbus, Ohio: SRA McGraw-Hill, 2002.

Cita MLA (9a ed.)

Engelmann, Siegfried, et al. Horizons: Learning to Read. Level A, 3. [print]. SRA McGraw-Hill, 2002.