APA-Zitierstil (7. Ausg.)

Wittmer, D. S., & Clauson, D. W. (2020). Crying and laughing: The emotional development of infants and toddlers. Gryphon House.

Chicago-Zitierstil (17. Ausg.)

Wittmer, Donna S., und Deanna W. Clauson. Crying and Laughing: The Emotional Development of Infants and Toddlers. Lewisville, NC: Gryphon House, 2020.

MLA-Zitierstil (9. Ausg.)

Wittmer, Donna S., und Deanna W. Clauson. Crying and Laughing: The Emotional Development of Infants and Toddlers. Gryphon House, 2020.