Cita APA (7a ed.)

Estados Unidos. Children's Bureau. (1923). Child labor in North Dakota. Government Printing Office.

Cita Chicago Style (17a ed.)

Estados Unidos. Children's Bureau. Child Labor in North Dakota. Washington: Government Printing Office, 1923.

Cita MLA (9a ed.)

Estados Unidos. Children's Bureau. Child Labor in North Dakota. Government Printing Office, 1923.