APA (7th ed.) Citation

Hruby, T. F. (1955). CO2 means cheaper gas-shielded welds. Steel, 136, 68.

Chicago Style (17th ed.) Citation

Hruby, T. F. "CO2 Means Cheaper Gas-shielded Welds." Steel 136 (1955): 68.

MLA (9th ed.) Citation

Hruby, T. F. "CO2 Means Cheaper Gas-shielded Welds." Steel, vol. 136, 1955, p. 68.