Citação norma APA

(1999). Early Warning, Timely Response: A Guide to Safe Schools. U.S. Department of Education.

Citação norma Chicago

Early Warning, Timely Response: A Guide to Safe Schools. U.S. Department of Education, 1999.

Citação norma MLA

Early Warning, Timely Response: A Guide to Safe Schools. U.S. Department of Education, 1999.

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.