APA (7th ed.) Citation
Barrett, J. (2007). Test your numerical aptitude: How to assess your numeracy skills and plan your career. Kogan Page.
Chicago Style (17th ed.) Citation
Barrett, James. Test Your Numerical Aptitude: How to Assess Your Numeracy Skills and Plan Your Career. London ; Philadelphia: Kogan Page, 2007.
MLA (9th ed.) Citation
Barrett, James. Test Your Numerical Aptitude: How to Assess Your Numeracy Skills and Plan Your Career. Kogan Page, 2007.
Warning: These citations may not always be 100% accurate.