APA (7th ed.) Citation

de Lima, R., Antunes, A. M., Cravino, J., Velho, H. V., Roquette, J., & Macedo, M. M. (1980). Valve substitutes in cardiac surgery.

Chicago Style (17th ed.) Citation

de Lima, R., A M. Antunes, J. Cravino, H V. Velho, J. Roquette, and M M. Macedo. Valve Substitutes in Cardiac Surgery. 1980.

MLA (8th ed.) Citation

de Lima, R., et al. Valve Substitutes in Cardiac Surgery. 1980.