The problem of unemployment

MLA

Douglas, Paul H. and Aaron Director. The problem of unemployment. New York : The Macmillan company, 1931.

APA

Douglas, P. & Director, A. (1931). The problem of unemployment. New York : The Macmillan company.

Chicago

Douglas, Paul H. and Aaron Director. The problem of unemployment. New York : The Macmillan company, 1931.