APA (7th ed.) Citation

Sommerville, J., & Craig, N. (2005). Sharing and improving project information via digital pens and paper / James Sommerville and Nigel Craig.

Chicago Style (17th ed.) Citation

Sommerville, James, and Nigel Craig. Sharing and Improving Project Information via Digital Pens and Paper / James Sommerville and Nigel Craig. 2005.

MLA (9th ed.) Citation

Sommerville, James, and Nigel Craig. Sharing and Improving Project Information via Digital Pens and Paper / James Sommerville and Nigel Craig. 2005.

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