Cita APA (7a ed.)
Zietz, D. (1959). Child welfare: Principles and methods. Wiley.
Cita estilo Chicago (17a ed.)
Zietz, Dorothy. Child Welfare: Principles and Methods. California, EUA: Wiley, 1959.
Cita MLA (9a ed.)
Zietz, Dorothy. Child Welfare: Principles and Methods. Wiley, 1959.
警告：這些引文格式不一定是100％准確.