APA (7th ed.) Citation

Clark, C. H. (2007). Frictional Electricity From "The Saturday Evening Post.". Project Gutenberg.

Chicago Style (17th ed.) Citation

Clark, Charles Heber. Frictional Electricity From "The Saturday Evening Post.". Project Gutenberg, 2007.

MLA (9th ed.) Citation

Clark, Charles Heber. Frictional Electricity From "The Saturday Evening Post.". Project Gutenberg, 2007.

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