Cita APA (7a ed.)

Estrugo, R. L., & Bueno, M. (1976). Vertebral echinococcosis, its complications and death due to rupture of aorta.

Cita Chicago Style (17a ed.)

Estrugo, Roberto L., y Marisa Bueno. Vertebral Echinococcosis, Its Complications and Death Due to Rupture of Aorta. 1976.

Cita MLA (9a ed.)

Estrugo, Roberto L., y Marisa Bueno. Vertebral Echinococcosis, Its Complications and Death Due to Rupture of Aorta. 1976.