Cita APA

Christen, W. G., Manson, J. E., Glynn, R. J., Gaziano, J. M., Chew, E. Y., Buring, J. E., & Hennekens, C. H. (2007). Beta-Carotene and Age-related Maculopathy in a Randomized Trial of U.S. Physicians.

Citación estilo Chicago

Christen, William G., JoAnn E. Manson, Robert J. Glynn, J. Michael Gaziano, Emily Y. Chew, Julie E. Buring, and Charles H. Hennekens. Beta-Carotene and Age-related Maculopathy in a Randomized Trial of U.S. Physicians. 2007.

Cita MLA

Christen, William G., et al. Beta-Carotene and Age-related Maculopathy in a Randomized Trial of U.S. Physicians. 2007.

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.