APA (7th ed.) Citation

Altman, D., Vergouwe, Y., Royston, P., & Moons, K. (2009). Prognosis and prognostic research: Validating a prognostic model.

Chicago Style (17th ed.) Citation

Altman, D., Y. Vergouwe, P. Royston, and K. Moons. Prognosis and Prognostic Research: Validating a Prognostic Model. 2009.

MLA (9th ed.) Citation

Altman, D., et al. Prognosis and Prognostic Research: Validating a Prognostic Model. 2009.