APA (7th ed.) Citation

Bunner, H. C., & Frost, A. B. (2009). The Story of a New York House. Project Gutenberg.

Chicago Style (17th ed.) Citation

Bunner, H. C., and A. B. Frost. The Story of a New York House. Project Gutenberg, 2009.

MLA (9th ed.) Citation

Bunner, H. C., and A. B. Frost. The Story of a New York House. Project Gutenberg, 2009.

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