APA (7th ed.) Citation

Bordogni, G. M. Twenty-four easy vocalises progressively arranged within the compass of any voice. G. Schirmer.

Chicago Style (17th ed.) Citation

Bordogni, Guilio Marco. Twenty-four Easy Vocalises Progressively Arranged Within the Compass of Any Voice. New York: G. Schirmer.

MLA (9th ed.) Citation

Bordogni, Guilio Marco. Twenty-four Easy Vocalises Progressively Arranged Within the Compass of Any Voice. G. Schirmer.

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