APA
(1950). Principles and techniques in social case work selected articles, 1940-50. New York: Family service Association of America USA.
Chicago
1950. Principles and techniques in social case work selected articles, 1940-50. New York: Family service Association of America USA.
Harvard
(1950). Principles and techniques in social case work selected articles, 1940-50. New York: Family service Association of America USA.
MLA
Principles and techniques in social case work selected articles, 1940-50. New York: Family service Association of America USA. 1950.
