APA (7th ed.) Citation

Sousa, J. P., & Sousa Band. (2003). Stars and Stripes Forever. Project Gutenberg.

Chicago Style (17th ed.) Citation

Sousa, John Philip, and Sousa Band. Stars and Stripes Forever. Project Gutenberg, 2003.

MLA (9th ed.) Citation

Sousa, John Philip, and Sousa Band. Stars and Stripes Forever. Project Gutenberg, 2003.

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