APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

Sommerville, Ian, and Pete Sawyer. Requirements Engineering: A Good Practice Guide. Chichester New York: John Wiley & Sons, 1997.

MLA (8th ed.) Citation

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