APA (7th ed.) Citation

Harel, D. On object systems and behavioral inheritance. IEEE Transactions on software engineering.

Chicago Style (17th ed.) Citation

Harel, D. "On Object Systems and Behavioral Inheritance." IEEE Transactions on Software Engineering .

MLA (9th ed.) Citation

Harel, D. "On Object Systems and Behavioral Inheritance." IEEE Transactions on Software Engineering, .

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