APA (7th ed.) Citation

McKilligan, N. F. J., & Powell, N. H. E. (2009). Data protection pocket guide: Essential facts at your fingertips (2nd ed.). BSI.

Chicago Style (17th ed.) Citation

McKilligan, N. F. J., and N. H. E. Powell. Data Protection Pocket Guide: Essential Facts at Your Fingertips. 2nd ed. London: BSI, 2009.

MLA (9th ed.) Citation

McKilligan, N. F. J., and N. H. E. Powell. Data Protection Pocket Guide: Essential Facts at Your Fingertips. 2nd ed. BSI, 2009.