APA

European Association for Behaviour Therapy and Modification, . (1973). Meeting / European Association of Behaviour Therapy and Modification. München: .

Chicago

European Association for Behaviour Therapy and Modification, . 1973. Meeting / European Association of Behaviour Therapy and Modification. München: .

Harvard

European Association for Behaviour Therapy and Modification, . (1973). Meeting / European Association of Behaviour Therapy and Modification. München: .

MLA

European Association for Behaviour Therapy and Modification, . Meeting / European Association of Behaviour Therapy and Modification. München: . 1973.