Cita APA (7a ed.)

Stahley, J. S. (2005). Dry gas seals handbook (1st American ed.). PennWell Corp..

Cita Chicago Style (17a ed.)

Stahley, John S. Dry Gas Seals Handbook. 1st American ed. Tulsa, OK: PennWell Corp., 2005.

Cita MLA (8a ed.)

Stahley, John S. Dry Gas Seals Handbook. 1st American ed. PennWell Corp., 2005.