APA aipamena

Peters, R., Poulter, R., Warner, J., Beckett, N., Burch, L., & Bulpitt, C. (2008). Smoking, dementia and cognitive decline in the elderly, a systematic review. BioMed Central.

Chicago Style aipamena

Peters, Ruth, Ruth Poulter, James Warner, Nigel Beckett, Lisa Burch, and Chris Bulpitt. Smoking, Dementia and Cognitive Decline in the Elderly, a Systematic Review. BioMed Central, 2008.

MLA aipamena

Peters, Ruth, et al. Smoking, Dementia and Cognitive Decline in the Elderly, a Systematic Review. BioMed Central, 2008.