APA (7th ed.) Citation

Elson, W. H., & Keck, C. M. (2004). Elson Grammar School Literature v4. Project Gutenberg.

Chicago Style (17th ed.) Citation

Elson, William H., and Christine M. Keck. Elson Grammar School Literature V4. Project Gutenberg, 2004.

MLA (9th ed.) Citation

Elson, William H., and Christine M. Keck. Elson Grammar School Literature V4. Project Gutenberg, 2004.

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