APA (7th ed.) Citation

Sommerville, I., & Sawyer, P. (1997). Requirements engineering: A good practice guide. Wiley.

Chicago Style (17th ed.) Citation

Sommerville, Ian, and Pete Sawyer. Requirements Engineering: A Good Practice Guide. Chichester [u.a.]: Wiley, 1997.

MLA (9th ed.) Citation

Sommerville, Ian, and Pete Sawyer. Requirements Engineering: A Good Practice Guide. Wiley, 1997.