APA
(1961). Journal:The American geriatrics society. St Blatmore: The Williams & Wilkins.
Chicago
1961. Journal:The American geriatrics society. St Blatmore: The Williams & Wilkins.
Harvard
(1961). Journal:The American geriatrics society. St Blatmore: The Williams & Wilkins.
MLA
Journal:The American geriatrics society. St Blatmore: The Williams & Wilkins. 1961.