APA (7th ed.) Citation

Harper, H., & Grahame-White, C. (2008). Learning to Fly: A Practical Manual for Beginners. Project Gutenberg.

Chicago Style (17th ed.) Citation

Harper, Harry, and Claude Grahame-White. Learning to Fly: A Practical Manual for Beginners. Project Gutenberg, 2008.

MLA (9th ed.) Citation

Harper, Harry, and Claude Grahame-White. Learning to Fly: A Practical Manual for Beginners. Project Gutenberg, 2008.

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