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, Jim. Test Your Numerical Aptitude: How to Assess Your Numeracy Skills and Plan Your Career. London: Kogan Page, 2007.

MLA (9th ed.) Citation

Barrett, Jim. Test Your Numerical Aptitude: How to Assess Your Numeracy Skills and Plan Your Career. Kogan Page, 2007.