Cita APA

Hansen, J. C., & Cramer, S. H. (1971). Group guidance and counseling in the schools: Selected readings. Appleton Century Crofts.

Citación estilo Chicago

Hansen, James C., and Stanley H. Cramer. Group Guidance and Counseling in the Schools: Selected Readings. New York: Appleton Century Crofts, 1971.

Cita MLA

Hansen, James C., and Stanley H. Cramer. Group Guidance and Counseling in the Schools: Selected Readings. Appleton Century Crofts, 1971.