APA (7th ed.) Citation

Piatkus, Glocheux, D., & Godefroy, C. H. (1994). How to write letters that sell. Piatkus.

Chicago Style (17th ed.) Citation

Piatkus, Dominique Glocheux, and Christian H. Godefroy. How to Write Letters That Sell. London: Piatkus, 1994.

MLA (8th ed.) Citation

Piatkus, et al. How to Write Letters That Sell. Piatkus, 1994.

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