Cita APA (7a ed.)

Morelli, R., Fernández, J., Balboa, O., Ventura, J., & Vercelli Retta, J. (1994). Surgical treatment hyperparathyroidism. Round Table.

Cita Chicago Style (17a ed.)

Morelli, Raúl, Juan Fernández, Oscar Balboa, Juan Ventura, y Jorge Vercelli Retta. Surgical Treatment Hyperparathyroidism. Round Table. 1994.

Cita MLA (9a ed.)

Morelli, Raúl, et al. Surgical Treatment Hyperparathyroidism. Round Table. 1994.