APA (7th ed.) Citation

Turnbull, J., Lieverdink, P., & Matotek, D. (2009). Pro Linux system administration. Apress.

Chicago Style (17th ed.) Citation

Turnbull, James, Peter Lieverdink, and Dennis Matotek. Pro Linux System Administration. Berkeley, CA: Apress, 2009.

MLA (8th ed.) Citation

Turnbull, James, et al. Pro Linux System Administration. Apress, 2009.