Cita APA

Walker, A. R., Walker, B. F., Tsotetsi, N. G., Sebitso, C., Siwedi, D., & Walker, A. J. (1992). Case-control study of prostate cancer in black patients in Soweto, South Africa. Nature Publishing Group.

Chicago Style Citation

Walker, A. R., B. F. Walker, N. G. Tsotetsi, C. Sebitso, D. Siwedi, i A. J. Walker. Case-control Study of Prostate Cancer in Black Patients in Soweto, South Africa. Nature Publishing Group, 1992.

Cita MLA

Walker, A. R., et al. Case-control Study of Prostate Cancer in Black Patients in Soweto, South Africa. Nature Publishing Group, 1992.