Cita APA

Wortley, P., Vaughan, T. L., Davis, S., Morgan, M. S., & Thomas, D. B. (1992). A case-control study of occupational risk factors for laryngeal cancer.

Chicago Style Citation

Wortley, P., T L. Vaughan, S. Davis, M S. Morgan, i D B. Thomas. A Case-control Study of Occupational Risk Factors for Laryngeal Cancer. 1992.

Cita MLA

Wortley, P., et al. A Case-control Study of Occupational Risk Factors for Laryngeal Cancer. 1992.