Citazione Stile APA (7a Edizione)

O’connell, B., & O’connell, F. (2021). Happier Than Ever. Universal Music Publishing Group.

Citazione stile Chigago Style (17a edizione)

O’connell, Billie, e Finneas O’connell. Happier Than Ever. California, United States: Universal Music Publishing Group, 2021.

Citatione MLA (9a ed.)

O’connell, Billie, e Finneas O’connell. Happier Than Ever. Universal Music Publishing Group, 2021.