APA Citation
Leffingwell, D., & Widrig, D. (2003). Managing software requirements: A use case approach (2nd ed.). Boston: Addison-Wesley.
Chicago Style CitationLeffingwell, Dean, and Don Widrig. Managing Software Requirements: A Use Case Approach. 2nd ed. Boston: Addison-Wesley, 2003.
MLA CitationLeffingwell, Dean, and Don Widrig. Managing Software Requirements: A Use Case Approach. 2nd ed. Boston: Addison-Wesley, 2003.
Warning: These citations may not always be 100% accurate.