APA (7th ed.) Citation

Sanford, J. (2003). Jere Sanford's Yodling and Whistling Specialty. Project Gutenberg.

Chicago Style (17th ed.) Citation

Sanford, Jere. Jere Sanford's Yodling and Whistling Specialty. Project Gutenberg, 2003.

MLA (9th ed.) Citation

Sanford, Jere. Jere Sanford's Yodling and Whistling Specialty. Project Gutenberg, 2003.

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