APA (7th ed.) Citation

Gatehouse, M., Statham, J., & Ward, H. (2004). The Knowledge: How to get the information you need out of your computers and information systems.

Chicago Style (17th ed.) Citation

Gatehouse, Mike, June Statham, and Harriet Ward. The Knowledge: How to Get the Information You Need Out of Your Computers and Information Systems. 2004.

MLA (9th ed.) Citation

Gatehouse, Mike, et al. The Knowledge: How to Get the Information You Need Out of Your Computers and Information Systems. 2004.

Warning: These citations may not always be 100% accurate.