APA (7th ed.) Citation

Challis, W. H., Such, W. H., & Champion, D. L. (2008). Mechanical. IRSE.

Chicago Style (17th ed.) Citation

Challis, W. H., W. H. Such, and Donald L. Champion. Mechanical. London, UK: IRSE, 2008.

MLA (9th ed.) Citation

Challis, W. H., et al. Mechanical. IRSE, 2008.

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