APA (7th ed.) Citation

Knovel (Firm) & Walsh, T. S. (2011). Plastic pipe and fittings: Past, present, and future. ASTM International.

Chicago Style (17th ed.) Citation

Knovel (Firm) and Thomas S. Walsh. Plastic Pipe and Fittings: Past, Present, and Future. West Conshohocken, PA: ASTM International, 2011.

MLA (9th ed.) Citation

Knovel (Firm) and Thomas S. Walsh. Plastic Pipe and Fittings: Past, Present, and Future. ASTM International, 2011.