APA način citiranja

Syddall, H., Simmonds, S., Martin, H., Watson, C., Dennison, E., Cooper, C., & Sayer, A. A. (2009). Cohort Profile: The Hertfordshire Ageing Study (HAS).

Čikaški stil citiranja

Syddall, HE, SJ Simmonds, HJ Martin, Clare Watson, EM Dennison, C. Cooper, i A Aihie Sayer. Cohort Profile: The Hertfordshire Ageing Study (HAS). 2009.

MLA način citiranja

Syddall, HE, et al. Cohort Profile: The Hertfordshire Ageing Study (HAS). 2009.