APA (7th ed.) Citation

Trowbridge, J. T. (2006). The Drummer Boy. Project Gutenberg.

Chicago Style (17th ed.) Citation

Trowbridge, J. T. The Drummer Boy. Project Gutenberg, 2006.

MLA (9th ed.) Citation

Trowbridge, J. T. The Drummer Boy. Project Gutenberg, 2006.

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