Cita APA

Miller, B., & Furner, S. E. (1994). Change in the number of informal helpers of frail older persons.

Chicago Style Citation

Miller, B., i S E. Furner. Change in the Number of Informal Helpers of Frail Older Persons. 1994.

Cita MLA

Miller, B., i S E. Furner. Change in the Number of Informal Helpers of Frail Older Persons. 1994.