APA (7th ed.) Citation

Bowles, O. (1922). The technology of slate. Govt. print. off..

Chicago Style (17th ed.) Citation

Bowles, Oliver. The Technology of Slate. Washington: Govt. print. off., 1922.

MLA (8th ed.) Citation

Bowles, Oliver. The Technology of Slate. Govt. print. off., 1922.

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