APA (7th ed.) Citation

Gartside. (1986). Modern business correspondence: A comprehensive guide to business writing and related office services (4th ed.). Pitman Publishing.

Chicago Style (17th ed.) Citation

Gartside. Modern Business Correspondence: A Comprehensive Guide to Business Writing and Related Office Services. 4th ed. London: Pitman Publishing, 1986.

MLA (8th ed.) Citation

Gartside. Modern Business Correspondence: A Comprehensive Guide to Business Writing and Related Office Services. 4th ed. Pitman Publishing, 1986.

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