Wolff, P. H. (1987). The development of behavioral states and the expression of emotions in early infancy: New proposals for investigation. Univ. of Chicago Pr.
Chicago Style (17th ed.) CitationWolff, Peter H. The Development of Behavioral States and the Expression of Emotions in Early Infancy: New Proposals for Investigation. Chicago, Ill. [u.a.]: Univ. of Chicago Pr, 1987.
MLA (8th ed.) CitationWolff, Peter H. The Development of Behavioral States and the Expression of Emotions in Early Infancy: New Proposals for Investigation. Univ. of Chicago Pr, 1987.
Warning: These citations may not always be 100% accurate.