APA (7th ed.) Citation

Marenzi, I., Demidova, E., Nejdl, W., Olmedilla, D., & Zerr, S. (2008). Social Software for Lifelong Competence Development: Challenges and Infrastructure. International Journal of Emerging Technologies in Learning, 3(S1), 18.

Chicago Style (17th ed.) Citation

Marenzi, I., E. Demidova, W. Nejdl, D. Olmedilla, and S. Zerr. "Social Software for Lifelong Competence Development: Challenges and Infrastructure." International Journal of Emerging Technologies in Learning 3, no. S1 (2008): 18.

MLA (9th ed.) Citation

Marenzi, I., et al. "Social Software for Lifelong Competence Development: Challenges and Infrastructure." International Journal of Emerging Technologies in Learning, vol. 3, no. S1, 2008, p. 18.