APA (7th ed.) Citation

McKellen, J. S., & Spooner, M. D. (1985). New business matters: Practice materials for business communication in English. Pergamon Institute of English.

Chicago Style (17th ed.) Citation

McKellen, J. S., and M. D. Spooner. New Business Matters: Practice Materials for Business Communication in English. Oxford, UK ; New York: Pergamon Institute of English, 1985.

MLA (9th ed.) Citation

McKellen, J. S., and M. D. Spooner. New Business Matters: Practice Materials for Business Communication in English. Pergamon Institute of English, 1985.