Cita APA (7a ed.)

Jacobi, H. N. (1982). Building your best voice. Prentice-Hall.

Cita Chicago Style (17a ed.)

Jacobi, Henry N. Building Your Best Voice. Englewood Cliffs, N.J: Prentice-Hall, 1982.

Cita MLA (9a ed.)

Jacobi, Henry N. Building Your Best Voice. Prentice-Hall, 1982.