APA (7th ed.) Citation

Mellgren, L. (1973). New Horizons in English. Addison.

Chicago Style (17th ed.) Citation

Mellgren, Lars. New Horizons in English. London: Addison, 1973.

MLA (9th ed.) Citation

Mellgren, Lars. New Horizons in English. Addison, 1973.

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