APA (7th ed.) Citation

Gamma, E. (2020). Design Patterns (13th.). Pearson.

Chicago Style (17th ed.) Citation

Gamma, Erich. Design Patterns. 13th. New Delhi: Pearson, 2020.

MLA (9th ed.) Citation

Gamma, Erich. Design Patterns. 13th. Pearson, 2020.

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