APA (7th ed.) Citation

Ng, W. L. (1989). A study of the wear of piston seals and cylinder in a reciprocating water pump.

Chicago Style (17th ed.) Citation

Ng, Wah Lok. A Study of the Wear of Piston Seals and Cylinder in a Reciprocating Water Pump. 1989.

MLA (8th ed.) Citation

Ng, Wah Lok. A Study of the Wear of Piston Seals and Cylinder in a Reciprocating Water Pump. 1989.

Warning: These citations may not always be 100% accurate.