APA (7th ed.) Citation

Rumbaugh, J., Jacobson, I., & Booch, G. (1999). The unified modeling language reference manual. Addison-Wesley.

Chicago Style (17th ed.) Citation

Rumbaugh, James, Ivar Jacobson, and Grady Booch. The Unified Modeling Language Reference Manual. Boston, MA: Addison-Wesley, 1999.

MLA (8th ed.) Citation

Rumbaugh, James, et al. The Unified Modeling Language Reference Manual. Addison-Wesley, 1999.