Style de citation APA (7e éd.)

Wyckoff, J., & Unell, B. C. (2002). Discipline without shouting or spanking: Practical solutions to the most common preschool behavior problems (Rev. and expanded ed.). Hinkler Books.

Style de citation Chicago (17e éd.)

Wyckoff, Jerry, et Barbara C. Unell. Discipline Without Shouting or Spanking: Practical Solutions to the Most Common Preschool Behavior Problems. Rev. and expanded ed. Dingley, Victoria: Hinkler Books, 2002.

Style de citation MLA (9e éd.)

Wyckoff, Jerry, et Barbara C. Unell. Discipline Without Shouting or Spanking: Practical Solutions to the Most Common Preschool Behavior Problems. Rev. and expanded ed. Hinkler Books, 2002.