APA Citatie

Parkes, C., Wald, N. J., Murphy, P., George, L., Watt, H. C., Kirby, R., . . . Tuomilehto, J. (1995). Prospective observational study to assess value of prostate specific antigen as screening test for prostate cancer. BMJ Group.

Chicago Style citaat

Parkes, C., N. J. Wald, P. Murphy, L. George, H. C. Watt, R. Kirby, P. Knekt, K. J. Helzlsouer, en J. Tuomilehto. Prospective Observational Study to Assess Value of Prostate Specific Antigen As Screening Test for Prostate Cancer. BMJ Group, 1995.

MLA citatie

Parkes, C., et al. Prospective Observational Study to Assess Value of Prostate Specific Antigen As Screening Test for Prostate Cancer. BMJ Group, 1995.