Cita APA (7th ed.)

Matthews, C. (2004). A quick guide to pressure relief valves (PRVs). Professional Engineering Pub.

Cita Chicago (17th ed.)

Matthews, Clifford. A Quick Guide to Pressure Relief Valves (PRVs). London: Professional Engineering Pub, 2004.

Cita MLA (8th ed.)

Matthews, Clifford. A Quick Guide to Pressure Relief Valves (PRVs). Professional Engineering Pub, 2004.