Cita APA (7th ed.)

Prata, S. (1985). Advanced unix: A programmer's guide. Howard W. Sams.

Cita Chicago (17th ed.)

Prata, Stephen. Advanced Unix: A Programmer's Guide. Indianápolis: Howard W. Sams, 1985.

Cita MLA (9th ed.)

Prata, Stephen. Advanced Unix: A Programmer's Guide. Howard W. Sams, 1985.