APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (8th ed.) Citation

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

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