Style de citation APA (7e éd.)

Ward, J., Griffiths, P., & Whitmore, P. (1990). Strategic planning for information systems. John Wiley.

Style de citation Chicago (17e éd.)

Ward, John, Pat Griffiths, et Paul Whitmore. Strategic Planning for Information Systems. Chichester: John Wiley, 1990.

Style de citation MLA (9e éd.)

Ward, John, et al. Strategic Planning for Information Systems. John Wiley, 1990.