Cita APA (7a ed.)

Mellgren, L., Walker, M., & Upshur, J. A. (1973). New horizons in english: Book 3. Addison-Wesley Publishing Company.

Cita Chicago Style (17a ed.)

Mellgren, Lars, Michael Walker, y John A. Upshur. New Horizons in English: Book 3. Massachusetts, EUA: Addison-Wesley Publishing Company, 1973.

Cita MLA (9a ed.)

Mellgren, Lars, et al. New Horizons in English: Book 3. Addison-Wesley Publishing Company, 1973.