APA (7th ed.) Citation

Wright, R. S., & Wright, L. (2010). Optical Projection Part 1: Projection of Lantern Slides. Project Gutenberg.

Chicago Style (17th ed.) Citation

Wright, Russell S., and Lewis Wright. Optical Projection Part 1: Projection of Lantern Slides. Project Gutenberg, 2010.

MLA (9th ed.) Citation

Wright, Russell S., and Lewis Wright. Optical Projection Part 1: Projection of Lantern Slides. Project Gutenberg, 2010.

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