APA (7th ed.) Citation

SAGE Knowledge (Online service), Boyle, G. J., Matthews, G., & Saklofske, D. H. (2008). The SAGE handbook of personality theory and assessment. Sage. https://doi.org/10.4135/9781849200462

Chicago Style (17th ed.) Citation

SAGE Knowledge (Online service), Gregory John Boyle, Gerald Matthews, and Donald H. Saklofske. The SAGE Handbook of Personality Theory and Assessment. Los Angeles, Calif: Sage, 2008. https://doi.org/10.4135/9781849200462.

MLA (9th ed.) Citation

SAGE Knowledge (Online service), et al. The SAGE Handbook of Personality Theory and Assessment. Sage, 2008. https://doi.org/10.4135/9781849200462.