Cita APA (7a ed.)

Van den Oord, E. J. C. G., Verhulst, F. C., & Boomsma, D. (1996). A genetic study of maternal and paternal ratings of problem behaviors in 3-year-old twins. Journal of abnormal psychology, 105(3), 349-357.

Cita Chicago Style (17a ed.)

Van den Oord, Edwin J. C. G., Frank C. Verhulst, y Dorret Boomsma. "A Genetic Study of Maternal and Paternal Ratings of Problem Behaviors in 3-year-old Twins." Journal of Abnormal Psychology 105, no. 3 (1996): 349-357.

Cita MLA (9a ed.)

Van den Oord, Edwin J. C. G., et al. "A Genetic Study of Maternal and Paternal Ratings of Problem Behaviors in 3-year-old Twins." Journal of Abnormal Psychology, vol. 105, no. 3, 1996, pp. 349-357.