APA način citiranja (7. izdanje)

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

Čikaški stil citiranja (17. izdanje)

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

MLA način citiranja (9. izdanje)

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