APA (7th ed.) Citation

Barker, A.. (2010). Improve your communication skills, revised second edition [ (Rev 2nd ed.). KoganPage.

Chicago Style (17th ed.) Citation

Barker, Alan. Improve Your Communication Skills, Revised Second Edition [. Rev 2nd ed. London ; Philadelphia, Pennslyvania: KoganPage, 2010.

MLA (9th ed.) Citation

Barker, Alan. Improve Your Communication Skills, Revised Second Edition [. Rev 2nd ed. KoganPage, 2010.