APA (7th ed.) Citation

Galloway, W. J. (2010). The Operatic Problem. Project Gutenberg.

Chicago Style (17th ed.) Citation

Galloway, William Johnson. The Operatic Problem. Project Gutenberg, 2010.

MLA (9th ed.) Citation

Galloway, William Johnson. The Operatic Problem. Project Gutenberg, 2010.

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