APA (7th ed.) Citation

Stanley, W. (2006). Instruction for Using a Slide Rule. Project Gutenberg.

Chicago Style (17th ed.) Citation

Stanley, W. Instruction for Using a Slide Rule. Project Gutenberg, 2006.

MLA (9th ed.) Citation

Stanley, W. Instruction for Using a Slide Rule. Project Gutenberg, 2006.

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