Citação norma APA

Purkey, W. W., Schmidt, J. J., & Novak, J. M. (2010). From conflict to conciliation: How to defuse difficult situations. Corwin.

Citação norma Chicago

Purkey, William W., John J. Schmidt, and John M. Novak. From Conflict to Conciliation: How to Defuse Difficult Situations. Thousand Oaks, Calif: Corwin, 2010.

Citação norma MLA

Purkey, William W., et al. From Conflict to Conciliation: How to Defuse Difficult Situations. Corwin, 2010.

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