APA (7th ed.) Citation

Leake & Henthorne. (1974). Electric arc welding (questions & answers (2nd edition.). Butterworth.

Chicago Style (17th ed.) Citation

Leake and Henthorne. Electric Arc Welding (questions & Answers. 2nd edition. London: Butterworth, 1974.

MLA (8th ed.) Citation

Leake and Henthorne. Electric Arc Welding (questions & Answers. 2nd edition. Butterworth, 1974.

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