APA (7th ed.) Citation

Ferris, G. T. (2006). Great Singers, First Series Faustina Bordoni To Henrietta Sontag. Project Gutenberg.

Chicago Style (17th ed.) Citation

Ferris, George T. Great Singers, First Series Faustina Bordoni To Henrietta Sontag. Project Gutenberg, 2006.

MLA (9th ed.) Citation

Ferris, George T. Great Singers, First Series Faustina Bordoni To Henrietta Sontag. Project Gutenberg, 2006.

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