एपीए उद्धरण

De los Santos, P. V., & Carmona Valdés, S. E. (2017). Prevalence of depression in elderly men and women in Mexico and risk factors.

शिकागो स्टाइल उद्धरण

De los Santos, Perla Vanessa, और Sandra Emma Carmona Valdés. Prevalence of Depression in Elderly Men and Women in Mexico and Risk Factors. 2017.

एमएलए उद्धरण

De los Santos, Perla Vanessa, और Sandra Emma Carmona Valdés. Prevalence of Depression in Elderly Men and Women in Mexico and Risk Factors. 2017.