APA (7th ed.) Citation

BOLTON, D., RIJSDIJK, F., O'CONNOR, T. G., PERRIN, S., & ELEY, T. C. (2007). Obsessive–compulsive disorder, tics and anxiety in 6-year-old twins. Psychological Medicine, 37(1), 39. https://doi.org/10.1017/S0033291706008816

Chicago Style (17th ed.) Citation

BOLTON, DEREK, FRÜHLING RIJSDIJK, THOMAS G. O'CONNOR, SEAN PERRIN, and THALIA C. ELEY. "Obsessive–compulsive Disorder, Tics and Anxiety in 6-year-old Twins." Psychological Medicine 37, no. 1 (2007): 39. https://doi.org/10.1017/S0033291706008816.

MLA (9th ed.) Citation

BOLTON, DEREK, et al. "Obsessive–compulsive Disorder, Tics and Anxiety in 6-year-old Twins." Psychological Medicine, vol. 37, no. 1, 2007, p. 39, https://doi.org/10.1017/S0033291706008816.