Cita APA (7a ed.)

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.

Cita Chicago Style (17a ed.)

Johansson, Peter, Henrik Andershed, Margaret Kerr, y 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.

Cita MLA (9a ed.)

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.