APA (7th ed.) Citation

Sommer, T., Bach, U., Richert, A., & Jeschke, S. (2014, June). A Web-Based Recommendation System for Engineering Education e-Learning Solutions. Proceedings of the International Conference on e-Learning (Online), 169.

Chicago Style (17th ed.) Citation

Sommer, Thorsten, Ursula Bach, Anja Richert, and Sabina Jeschke. "A Web-Based Recommendation System for Engineering Education E-Learning Solutions." Proceedings of the International Conference on E-Learning (Online) Jun. 2014: 169.

MLA (9th ed.) Citation

Sommer, Thorsten, et al. "A Web-Based Recommendation System for Engineering Education E-Learning Solutions." Proceedings of the International Conference on E-Learning (Online), Jun. 2014, p. 169.