APA (7th ed.) Citation

Van Der Valk, J. C., Van Den Oord, E. J. C. G., Verhulst, F. C., & Boomsma, D. I. (2001). Using Parental Ratings to Study the Etiology of 3-year-old Twins’ Problem Behaviors: Different Views or Rater Bias? Blackwell Publishers Ltd.

Chicago Style (17th ed.) Citation

Van Der Valk, J. C., E. J. C. G. Van Den Oord, F. C. Verhulst, and D. I. Boomsma. Using Parental Ratings to Study the Etiology of 3-year-old Twins’ Problem Behaviors: Different Views or Rater Bias? Oxford, UK and Boston, USA: Blackwell Publishers Ltd, 2001.

MLA (9th ed.) Citation

Van Der Valk, J. C., et al. Using Parental Ratings to Study the Etiology of 3-year-old Twins’ Problem Behaviors: Different Views or Rater Bias? Blackwell Publishers Ltd, 2001.