APA (7th ed.) Citation

Barker, A.. (2004). Improve your communication skills. Kogan Page.

Chicago Style (17th ed.) Citation

Barker, Alan. Improve Your Communication Skills. London: Kogan Page, 2004.

MLA (9th ed.) Citation

Barker, Alan. Improve Your Communication Skills. Kogan Page, 2004.

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