APA (7th ed.) Citation

Krishna, A., Gregoriades, A., & Porkorny, J. (2011). Extending UML with non-functional requirements modelling. Springer.

Chicago Style (17th ed.) Citation

Krishna, Aneesh, A. Gregoriades, and J. Porkorny. Extending UML with Non-functional Requirements Modelling. Springer, 2011.

MLA (9th ed.) Citation

Krishna, Aneesh, et al. Extending UML with Non-functional Requirements Modelling. Springer, 2011.