APA (7th ed.) Citation

Bravo, M. P., Espinosa, J., & Del Rey Calero, J. Occupational risk factors for cancer of the larynx in Spain.

Chicago Style (17th ed.) Citation

Bravo, M. P., J. Espinosa, and J. Del Rey Calero. Occupational Risk Factors for Cancer of the Larynx in Spain.

MLA (9th ed.) Citation

Bravo, M. P., et al. Occupational Risk Factors for Cancer of the Larynx in Spain.