The slide rule an how to use it,
by Rufus T. Strohm.
APA Citation
Strohm, R. T. (Rufus Tracy). (1924). The slide rule an how to use it. Scranton, Pa.: International textbook company.
MLA Citation
Strohm, Rufus T. (Rufus Tracy), 1877-. The Slide Rule an How to Use It. Scranton, Pa.: International textbook company, 1924.
Warning: These citations may not always be complete (especially for serials).