Cita APA (7a ed.)

Bopp, T., Hinn, R., & Hampel, T. (2006). A service-oriented infrastructure for collaborative learning in virtual knowledge spaces.

Cita Chicago Style (17a ed.)

Bopp, Thomas, Robert Hinn, y Thorsten Hampel. A Service-oriented Infrastructure for Collaborative Learning in Virtual Knowledge Spaces. 2006.

Cita MLA (8a ed.)

Bopp, Thomas, et al. A Service-oriented Infrastructure for Collaborative Learning in Virtual Knowledge Spaces. 2006.