APA (7th ed.) Citation

Bowles, O. (1931). Chalk, whiting, and whiting substitutes. [publisher not identified].

Chicago Style (17th ed.) Citation

Bowles, Oliver. Chalk, Whiting, and Whiting Substitutes. Washington, D.C.: [publisher not identified], 1931.

MLA (9th ed.) Citation

Bowles, Oliver. Chalk, Whiting, and Whiting Substitutes. [publisher not identified], 1931.