Cita APA (7a ed.)

Eriksson, H., & Penker, M. (1998). UML toolkit. John Wiley & Sons.

Cita Chicago Style (17a ed.)

Eriksson, Hans-Erik, y Magnus Penker. UML Toolkit. New York [etc.]: John Wiley & Sons, 1998.

Cita MLA (9a ed.)

Eriksson, Hans-Erik, y Magnus Penker. UML Toolkit. John Wiley & Sons, 1998.