APA (7th ed.) Citation

Moffett, C., Varian, G., & Hambidge, J. (2010). Careers of Danger and Daring. Project Gutenberg.

Chicago Style (17th ed.) Citation

Moffett, Cleveland, George Varian, and Jay Hambidge. Careers of Danger and Daring. Project Gutenberg, 2010.

MLA (9th ed.) Citation

Moffett, Cleveland, et al. Careers of Danger and Daring. Project Gutenberg, 2010.

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