Cita APA (7a ed.)

Ingram, M. D. (1962). Vocal technique for children and youth. Abingdon.

Cita Chicago Style (17a ed.)

Ingram, Madeline D. Vocal Technique for Children and Youth. New York: Abingdon, 1962.

Cita MLA (9a ed.)

Ingram, Madeline D. Vocal Technique for Children and Youth. Abingdon, 1962.