APA (7th ed.) Citation

Fiske, B. A. (2013). Invention The Master-key to Progress. Project Gutenberg.

Chicago Style (17th ed.) Citation

Fiske, Bradley A. Invention The Master-key to Progress. Project Gutenberg, 2013.

MLA (9th ed.) Citation

Fiske, Bradley A. Invention The Master-key to Progress. Project Gutenberg, 2013.

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