Cita APA (7th ed.)

Littlejohns, T., Kos, K., Henley, W., Kuzma, E., & Llewellyn, D. (2015). Vitamin D and Dementia. Journal of Prevention of Alzheimer's Disease.

Cita Chicago (17th ed.)

Littlejohns, T., K. Kos, W. Henley, E. Kuzma, i D. Llewellyn. Vitamin D and Dementia. Journal of Prevention of Alzheimer's Disease, 2015.

Cita MLA (9th ed.)

Littlejohns, T., et al. Vitamin D and Dementia. Journal of Prevention of Alzheimer's Disease, 2015.

Atenció: Aquestes cites poden no estar 100% correctes.