APA (7th ed.) Citation

LINTON, I. (1997). 30 minutes ... to write sales letters. Kogan Page.

Chicago Style (17th ed.) Citation

LINTON, Ian. 30 Minutes ... to Write Sales Letters. London: Kogan Page, 1997.

MLA (8th ed.) Citation

LINTON, Ian. 30 Minutes ... to Write Sales Letters. Kogan Page, 1997.

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