APA (7th ed.) Citation

Johnston, W. (2004). The Apartment Next Door. Project Gutenberg.

Chicago Style (17th ed.) Citation

Johnston, William. The Apartment Next Door. Project Gutenberg, 2004.

MLA (9th ed.) Citation

Johnston, William. The Apartment Next Door. Project Gutenberg, 2004.

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