APA (7th ed.) Zitazioa

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

Chicago Style (17th ed.) Zitazioa

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

MLA (9th ed.) Zitazioa

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