Cita APA (7th ed.)

Bellak, L., Hurvich, M., & Gediman, H. K. (1973). Ego functions in schizophrenics, neurotics, and normals: A systematic study of conceptual, diagnostic, and therapeutic aspects. Wiley Interscience.

Cita Chicago (17th ed.)

Bellak, Leopold, Marvin Hurvich, i Helen K. Gediman. Ego Functions in Schizophrenics, Neurotics, and Normals: A Systematic Study of Conceptual, Diagnostic, and Therapeutic Aspects. New York: Wiley Interscience, 1973.

Cita MLA (9th ed.)

Bellak, Leopold, et al. Ego Functions in Schizophrenics, Neurotics, and Normals: A Systematic Study of Conceptual, Diagnostic, and Therapeutic Aspects. Wiley Interscience, 1973.