APA (7th ed.) Citation

Harris, C. O. (1943). Slide rule simplified. American technical society.

Chicago Style (17th ed.) Citation

Harris, Charles Overton. Slide Rule Simplified. Chicago: American technical society, 1943.

MLA (9th ed.) Citation

Harris, Charles Overton. Slide Rule Simplified. American technical society, 1943.

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