APA (7th ed.) Citation

Booch, G., Rumbaugh, J., & Jacobson, I. (2005). The unified modeling language user guide (2nd ed.). Addison-Wesley.

Chicago Style (17th ed.) Citation

Booch, Grady, James Rumbaugh, and Ivar Jacobson. The Unified Modeling Language User Guide. 2nd ed. Upper Saddle River, N.J: Addison-Wesley, 2005.

MLA (9th ed.) Citation

Booch, Grady, et al. The Unified Modeling Language User Guide. 2nd ed. Addison-Wesley, 2005.