Cita APA (7a ed.)

Feijóo, S., & Hernández, C. (1990). Short-term stability measures for the evaluation of vocal quality. [s.n.].

Cita Chicago Style (17a ed.)

Feijóo, S., y C. Hernández. Short-term Stability Measures for the Evaluation of Vocal Quality. [S.l.]: [s.n.], 1990.

Cita MLA (9a ed.)

Feijóo, S., y C. Hernández. Short-term Stability Measures for the Evaluation of Vocal Quality. [s.n.], 1990.