Cita APA (7a ed.)

Appelman, D. R. (1967). The Science of Vocal Pedagogy: Theory and Application. Indiana University Press.

Cita Chicago Style (17a ed.)

Appelman, D. Ralph. The Science of Vocal Pedagogy: Theory and Application. Bloomington: Indiana University Press, 1967.

Cita MLA (8a ed.)

Appelman, D. Ralph. The Science of Vocal Pedagogy: Theory and Application. Indiana University Press, 1967.