APA (7th ed.) Citation

Nauheim. (1998). How to write business letters. Crest Publishing House.

Chicago Style (17th ed.) Citation

Nauheim. How to Write Business Letters. New Delhi: Crest Publishing House, 1998.

MLA (9th ed.) Citation

Nauheim. How to Write Business Letters. Crest Publishing House, 1998.

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