APA (7th ed.) Citation

Christmann, F., Ottolenghi, C. E., Raffo, J. M., & Von Grolman, G. (1940). Tecnica quirurgica (4.ed.). El Ateneo.

Chicago Style (17th ed.) Citation

Christmann, Federico, Carlos E. Ottolenghi, Juan Manuel Raffo, and Gunter Von Grolman. Tecnica Quirurgica. 4.ed. Buenos Aires: El Ateneo, 1940.

MLA (9th ed.) Citation

Christmann, Federico, et al. Tecnica Quirurgica. 4.ed. El Ateneo, 1940.