APA (7th ed.) Citation

Mellgren, L., & Walker, M. (1973). New horizons in English. Addison-Wesley Pub. Co..

Chicago Style (17th ed.) Citation

Mellgren, Lars, and Michael Walker. New Horizons in English. Reading, Mass.: Addison-Wesley Pub. Co., 1973.

MLA (9th ed.) Citation

Mellgren, Lars, and Michael Walker. New Horizons in English. Addison-Wesley Pub. Co., 1973.

Warning: These citations may not always be 100% accurate.