International Union of Psychological Science, Pawlik, K., & Ydewalle, G. d. (2006). Psychological concepts: An international historical perspective. Psychology Press.
Chicago Style (17th ed.) CitationInternational Union of Psychological Science, Kurt Pawlik, and Géry d' Ydewalle. Psychological Concepts: An International Historical Perspective. Hove, East Sussex, [England]: Psychology Press, 2006.
MLA (9th ed.) CitationInternational Union of Psychological Science, et al. Psychological Concepts: An International Historical Perspective. Psychology Press, 2006.
Warning: These citations may not always be 100% accurate.