APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (8th ed.) Citation

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

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