APA (7th ed.) Citation

Eckersley, C. E., & Kaufmann, W. (1974). English and American Business Letters (new impr.). Longman.

Chicago Style (17th ed.) Citation

Eckersley, Charles E., and W. Kaufmann. English and American Business Letters. new impr. London: Longman, 1974.

MLA (9th ed.) Citation

Eckersley, Charles E., and W. Kaufmann. English and American Business Letters. new impr. Longman, 1974.