APA (7th ed.) Citation

Gamma, E. (2017). Design patterns: elements of reusable object-oriented: Software. Pearson.

Chicago Style (17th ed.) Citation

Gamma, Erich. Design Patterns: Elements of Reusable Object-oriented: Software. Noida: Pearson, 2017.

MLA (9th ed.) Citation

Gamma, Erich. Design Patterns: Elements of Reusable Object-oriented: Software. Pearson, 2017.

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