APA (7th ed.) Citation

Peterka, A. E. R. (1941). Bolts, nuts & screws: A collection of practical discussions on engineering. The Lamson & Sessions company.

Chicago Style (17th ed.) Citation

Peterka, August E. R. Bolts, Nuts & Screws: A Collection of Practical Discussions on Engineering. Cleveland, O.: The Lamson & Sessions company, 1941.

MLA (9th ed.) Citation

Peterka, August E. R. Bolts, Nuts & Screws: A Collection of Practical Discussions on Engineering. The Lamson & Sessions company, 1941.