Citazione Stile APA (7a Edizione)

Rodgers, R., Hammerstein, O., & Walker, D. (2019). Exit of Billy & heavenly friends. Concord Theatricaks.

Citazione stile Chigago Style (17a edizione)

Rodgers, Richard, Oscar Hammerstein, e Don Walker. Exit of Billy & Heavenly Friends. [S. l.]: Concord Theatricaks, 2019.

Citatione MLA (9a ed.)

Rodgers, Richard, et al. Exit of Billy & Heavenly Friends. Concord Theatricaks, 2019.