APA (7th ed.) Citation

Zulliger, H., Dubrovsky, D., & Salomon, F. (1969). The Zulliger individual and group test. International Universities Press.

Chicago Style (17th ed.) Citation

Zulliger, Hans, Dusya Dubrovsky, and Fritz Salomon. The Zulliger Individual and Group Test. New York: International Universities Press, 1969.

MLA (9th ed.) Citation

Zulliger, Hans, et al. The Zulliger Individual and Group Test. International Universities Press, 1969.