APA (7th ed.) Citation

Steyer, R., Ferring, D., & Schmitt, M. (1992). On the definition of states and traits. Univ., Fachbereich I, Psychologie.

Chicago Style (17th ed.) Citation

Steyer, Rolf, Dieter Ferring, and Manfred Schmitt. On the Definition of States and Traits. Trier: Univ., Fachbereich I, Psychologie, 1992.

MLA (9th ed.) Citation

Steyer, Rolf, et al. On the Definition of States and Traits. Univ., Fachbereich I, Psychologie, 1992.