APA (7th ed.) Citation

Ward, J. M., Griffiths, P. M., Griffiths, P., & Griffiths, P. M. (1997). Strategic planning for information systems (2nd ed.). Wiley.

Chicago Style (17th ed.) Citation

Ward, John M., P. M. Griffiths, Pat Griffiths, and Pat M. Griffiths. Strategic Planning for Information Systems. 2nd ed. Chichester: Wiley, 1997.

MLA (8th ed.) Citation

Ward, John M., et al. Strategic Planning for Information Systems. 2nd ed. Wiley, 1997.