Cita APA (7th ed.)
Spielberger, C. D., & Sarason, I. G. (1977). The Series in clinical and community psychology. Hemisphere Publ.Corp.
Cita Chicago (17th ed.)
Spielberger, Charles D., i Irwin G. Sarason. The Series in Clinical and Community Psychology. Washington [usw.]: Hemisphere Publ.Corp, 1977.
Cita MLA (9th ed.)
Spielberger, Charles D., i Irwin G. Sarason. The Series in Clinical and Community Psychology. Hemisphere Publ.Corp, 1977.
Atenció: Aquestes cites poden no estar 100% correctes.