Cita APA (7a ed.)

MacBeth, C. B. (2009). Voices 1. Macmillan.

Cita Chicago Style (17a ed.)

MacBeth, Catherine Bilsborough. Voices 1. Oxford: Macmillan, 2009.

Cita MLA (9a ed.)

MacBeth, Catherine Bilsborough. Voices 1. Macmillan, 2009.