Cita APA (7th ed.)

Howard, D. M., Nix, J., & Welch, G. (2020). The Oxford handbook of singing. Oxford University Press.

Cita Chicago (17th ed.)

Howard, David M., John Nix, i Graham Welch. The Oxford Handbook of Singing. Oxford, England: Oxford University Press, 2020.

Cita MLA (9th ed.)

Howard, David M., et al. The Oxford Handbook of Singing. Oxford University Press, 2020.