Seltzer, M. M., & Krauss, M. W. (1994). Life course perspectives on adulthood and old age. Washington, DC: American Association on Mental Retardation.
Trích dẫn kiểu ChicagoSeltzer, Marsha Mailick, và Marty Wyngaarden Krauss. Life Course Perspectives On Adulthood and Old Age. Washington, DC: American Association on Mental Retardation, 1994.
MLA引文Seltzer, Marsha Mailick, và Marty Wyngaarden Krauss. Life Course Perspectives On Adulthood and Old Age. Washington, DC: American Association on Mental Retardation, 1994.
警告：这些引文格式不一定是100％准确.