APA (7th ed.) Citation

Neuhaus, C., Neuhaus, E., Asher, A., & Wrede, C. (2006). The Depth and Breadth of Google Scholar: An Empirical Study.

Chicago Style (17th ed.) Citation

Neuhaus, Chris, Ellen Neuhaus, Alan Asher, and Clint Wrede. The Depth and Breadth of Google Scholar: An Empirical Study. 2006.

MLA (9th ed.) Citation

Neuhaus, Chris, et al. The Depth and Breadth of Google Scholar: An Empirical Study. 2006.