APA (7th ed.) Citation

Engel, A. Verification, validation, and testing of engineered systems.

Chicago Style (17th ed.) Citation

Engel, Avner. Verification, Validation, and Testing of Engineered Systems.

MLA (8th ed.) Citation

Engel, Avner. Verification, Validation, and Testing of Engineered Systems.

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