Citação norma APA

Gerle, A., & Gerle, A. (2018). Music essentials for singers and actors: Fundamentals of notation, sight singing, and music theory. Hal Leonard.

Citação norma Chicago

Gerle, Andrew, and Andrew Gerle. Music Essentials for Singers and Actors: Fundamentals of Notation, Sight Singing, and Music Theory. Milwaukee, WI: Hal Leonard, 2018.

Citação norma MLA

Gerle, Andrew, and Andrew Gerle. Music Essentials for Singers and Actors: Fundamentals of Notation, Sight Singing, and Music Theory. Hal Leonard, 2018.

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.