APA (7th ed.) Citation

Tierney, E. (1999). 30 minutes .... to boost your communication skills. Kogan Page.

Chicago Style (17th ed.) Citation

Tierney, Elizabeth. 30 Minutes .... to Boost Your Communication Skills. London: Kogan Page, 1999.

MLA (8th ed.) Citation

Tierney, Elizabeth. 30 Minutes .... to Boost Your Communication Skills. Kogan Page, 1999.

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