Cita APA (7a ed.)

Estrugo, R. L., Iraola, M. L., Beriao, J. C., & Perrone, L. (1975). Metastatic tumor in the breast: Primitive: gastric cancer.

Cita Chicago Style (17a ed.)

Estrugo, Roberto L., María L. Iraola, Juan C. Beriao, y Luis Perrone. Metastatic Tumor in the Breast: Primitive: Gastric Cancer. 1975.

Cita MLA (9a ed.)

Estrugo, Roberto L., et al. Metastatic Tumor in the Breast: Primitive: Gastric Cancer. 1975.