APA (7th ed.) Citation

Ralph, J., O'Neill, R., & Winton, J. (2015). A practical introduction to index numbers. Wiley.

Chicago Style (17th ed.) Citation

Ralph, Jeff, Robert O'Neill, and Joe Winton. A Practical Introduction to Index Numbers. Chichester, West Sussex, United Kingdom: Wiley, 2015.

MLA (9th ed.) Citation

Ralph, Jeff, et al. A Practical Introduction to Index Numbers. Wiley, 2015.