Keith, J. (1982). Old people as people: Social and cultural influences on againg and old age. Little, Brown.
Цитирование в стиле Чикаго (17-е изд.)Keith, Jennie. Old People as People: Social and Cultural Influences on Againg and Old Age. Little, Brown, 1982.
Цитирование MLA (9-е изд.)Keith, Jennie. Old People as People: Social and Cultural Influences on Againg and Old Age. Little, Brown, 1982.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.