Cita APA

Cohen, S. A., Agree, E. M., Ahmed, S., & Naumova, E. N. (2009). Grandparental caregiving, income inequality and respiratory infections in elderly US individuals. BMJ Group.

Chicago Style Citation

Cohen, Steven A., Emily M. Agree, Saifuddin Ahmed, i Elena N. Naumova. Grandparental Caregiving, Income Inequality and Respiratory Infections in Elderly US Individuals. BMJ Group, 2009.

Cita MLA

Cohen, Steven A., Emily M. Agree, Saifuddin Ahmed, i Elena N. Naumova. Grandparental Caregiving, Income Inequality and Respiratory Infections in Elderly US Individuals. BMJ Group, 2009.