APA (7th ed.) Citation

Beer, D. d., Campbell, I., Truscott, M., Barnard, L., & Booysen, G. (2009). Client-centred design evolution via functional prototyping.

Chicago Style (17th ed.) Citation

Beer, D.J. de, Ian Campbell, M. Truscott, L. Barnard, and G.J Booysen. Client-centred Design Evolution via Functional Prototyping. 2009.

MLA (9th ed.) Citation

Beer, D.J. de, et al. Client-centred Design Evolution via Functional Prototyping. 2009.

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