APA (7th ed.) Citation

Gentry, G., & Westbury, E. T. (1966). Hardening and tempering engineers' tools (3rd ed.). Model and Allied Publications.

Chicago Style (17th ed.) Citation

Gentry, George, and Edgar T. Westbury. Hardening and Tempering Engineers' Tools. 3rd ed. Kings Langley: Model and Allied Publications, 1966.

MLA (9th ed.) Citation

Gentry, George, and Edgar T. Westbury. Hardening and Tempering Engineers' Tools. 3rd ed. Model and Allied Publications, 1966.

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