APA (7th ed.) Citation

Egan, S., Piek, J., & Dyck, M. (2015). Positive and negative perfectionism and the big five personality factors. Cambridge University Press.

Chicago Style (17th ed.) Citation

Egan, Sarah, Jan Piek, and M. Dyck. Positive and Negative Perfectionism and the Big Five Personality Factors. Cambridge University Press, 2015.

MLA (9th ed.) Citation

Egan, Sarah, et al. Positive and Negative Perfectionism and the Big Five Personality Factors. Cambridge University Press, 2015.