APA (7th ed.) Citation

Heard, W. E. (1197). Trade technical drawing / by W.E. Heard. Macmillan.

Chicago Style (17th ed.) Citation

Heard, W. E. Trade Technical Drawing / by W.E. Heard. Macmillan, 1197.

MLA (9th ed.) Citation

Heard, W. E. Trade Technical Drawing / by W.E. Heard. Macmillan, 1197.

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