APA (7th ed.) Citation

Kench, A. B. (1972). The language of English business letters: Commercial correspondence. Macmillan.

Chicago Style (17th ed.) Citation

Kench, A. B. The Language of English Business Letters: Commercial Correspondence. London: Macmillan, 1972.

MLA (9th ed.) Citation

Kench, A. B. The Language of English Business Letters: Commercial Correspondence. Macmillan, 1972.