APA (7th ed.) Citation

Portmann, M., & Traserra, J. (1970). Manual de otorrinolaringologia. Toray-Masson.

Chicago Style (17th ed.) Citation

Portmann, Michel, and Jose Traserra. Manual De Otorrinolaringologia. Barcelona: Toray-Masson, 1970.

MLA (9th ed.) Citation

Portmann, Michel, and Jose Traserra. Manual De Otorrinolaringologia. Toray-Masson, 1970.

Warning: These citations may not always be 100% accurate.