Cita APA (7th ed.)

Simpkin, A., Metcalfe, C., Martin, R., Lane, J., Donovan, J., Hamdy, F., . . . Tilling, K. (2013). Longitudinal prostate-specific antigen reference ranges: Choosing the underlying model of age-related changes. SAGE Publications.

Cita Chicago (17th ed.)

Simpkin, A., C. Metcalfe, R. Martin, J. Lane, J. Donovan, F. Hamdy, D. Neal, i K. Tilling. Longitudinal Prostate-specific Antigen Reference Ranges: Choosing the Underlying Model of Age-related Changes. SAGE Publications, 2013.

Cita MLA (9th ed.)

Simpkin, A., et al. Longitudinal Prostate-specific Antigen Reference Ranges: Choosing the Underlying Model of Age-related Changes. SAGE Publications, 2013.