Cita APA (7a ed.)

Sigrell, B., & Read, A. (1968). Group psychotherapy: Studies of processes in therapeutic groups. Stockholm studies in educational psychology.

Cita Chicago Style (17a ed.)

Sigrell, Bo, y Albert Read. "Group Psychotherapy: Studies of Processes in Therapeutic Groups." Stockholm Studies in Educational Psychology 1968.

Cita MLA (9a ed.)

Sigrell, Bo, y Albert Read. "Group Psychotherapy: Studies of Processes in Therapeutic Groups." Stockholm Studies in Educational Psychology, 1968.