APA (7th ed.) Citation

Johansson, P., Andershed, H., Kerr, M., & Louden, J. E. (2007). Two subtypes of psychopathic violent offenders that parallel primary and secondary variants. Journal of abnormal psychology, 116(2), 395-409.

Chicago Style (17th ed.) Citation

Johansson, Peter, Henrik Andershed, Margaret Kerr, and Jennifer Eno Louden. "Two Subtypes of Psychopathic Violent Offenders That Parallel Primary and Secondary Variants." Journal of Abnormal Psychology 116, no. 2 (2007): 395-409.

MLA (9th ed.) Citation

Johansson, Peter, et al. "Two Subtypes of Psychopathic Violent Offenders That Parallel Primary and Secondary Variants." Journal of Abnormal Psychology, vol. 116, no. 2, 2007, pp. 395-409.