APA (7th ed.) Citation

Riggs, R. D. (1981). Print reading for machine shop. American Technical Publishers.

Chicago Style (17th ed.) Citation

Riggs, Ronald D. Print Reading for Machine Shop. Alsip, Ill.: American Technical Publishers, 1981.

MLA (9th ed.) Citation

Riggs, Ronald D. Print Reading for Machine Shop. American Technical Publishers, 1981.

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