APA (7th ed.) Citation

Witkin, H. A., Goodenough, D. R., & Oltman, P. K. (1979). Psychologycal differentiation: Current status. [s.n.].

Chicago Style (17th ed.) Citation

Witkin, Herman A., Donald R. Goodenough, and Philip K. Oltman. Psychologycal Differentiation: Current Status. [S.l.]: [s.n.], 1979.

MLA (9th ed.) Citation

Witkin, Herman A., et al. Psychologycal Differentiation: Current Status. [s.n.], 1979.