Pro OpenSSH

MLA

Stahnke, Michael, Darren Tucker, and John Traenkenschuh. Pro Openssh. Apress, 2006.

APA

Stahnke, M., Tucker, D., & Traenkenschuh, J. (2006). Pro OpenSSH. Apress.

Chicago

Stahnke, Michael, Darren Tucker, and John Traenkenschuh. Pro Openssh. : Apress, 2006.