APA (7th ed.) Citation

Lewis, W. D., Rowland, A. L., Gehres, E. J. M., Prittie, E. J., & Richardson, F. (2012). The Silent Readers Sixth Reader. Project Gutenberg.

Chicago Style (17th ed.) Citation

Lewis, William D., Albert Lindsay Rowland, Ethel J. Maltby Gehres, Edwin John Prittie, and Frederick Richardson. The Silent Readers Sixth Reader. Project Gutenberg, 2012.

MLA (9th ed.) Citation

Lewis, William D., et al. The Silent Readers Sixth Reader. Project Gutenberg, 2012.

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