APA (7th ed.) Citation

Labrinidis, A., Luo, Q., Xu, J., & Xue, W. (2009). Chapter 9: Open Research Problems. Foundations & Trends in Databases, 2(3), 248.

Chicago Style (17th ed.) Citation

Labrinidis, Alexandros, Qiong Luo, Jie Xu, and Wenwei Xue. "Chapter 9: Open Research Problems." Foundations & Trends in Databases 2, no. 3 (2009): 248.

MLA (9th ed.) Citation

Labrinidis, Alexandros, et al. "Chapter 9: Open Research Problems." Foundations & Trends in Databases, vol. 2, no. 3, 2009, p. 248.