APA (7th ed.) Citation

Gardner, E. C. (2004). Homes and How to Make Them. Project Gutenberg.

Chicago Style (17th ed.) Citation

Gardner, E. C. Homes and How to Make Them. Project Gutenberg, 2004.

MLA (9th ed.) Citation

Gardner, E. C. Homes and How to Make Them. Project Gutenberg, 2004.

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