APA (7th ed.) Citation

Kountz, W. J. (1999). Billy Baxter's Letters. Project Gutenberg.

Chicago Style (17th ed.) Citation

Kountz, William J. Billy Baxter's Letters. Project Gutenberg, 1999.

MLA (9th ed.) Citation

Kountz, William J. Billy Baxter's Letters. Project Gutenberg, 1999.

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