APA (7th ed.) Citation

lh & Jeffus. Pipe welding techniques.

Chicago Style (17th ed.) Citation

lh and Jeffus. Pipe Welding Techniques. LondonlbDelmar Publisherslc1985.

MLA (9th ed.) Citation

lh and Jeffus. Pipe Welding Techniques.

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