The Definitive Guide to PC-BSD

MLA

Lavigne, Dru, et al. The Definitive Guide to Pc-bsd. Apress, 2010.

APA

Lavigne, D., Erenkov, A., Janiyan, S., & Straraap, S. (2010). The Definitive Guide to PC-BSD. Apress.

Chicago

Lavigne, Dru, Alexander Erenkov, Sevan Janiyan, S²ren Straraap, and S²ren Straraap. The Definitive Guide to PC-BSD. : Apress, 2010.