APA-Zitierstil (7. Ausg.)

Speller, J. L. (1989). Executives in crisis: Recognizing and managing the alcoholic, drug-addicted, or mentally ill executive (1. ed.). Jossey-Bass.

Chicago-Zitierstil (17. Ausg.)

Speller, Jeffrey L. Executives in Crisis: Recognizing and Managing the Alcoholic, Drug-addicted, or Mentally Ill Executive. 1. ed. San Francisco [u.a.]: Jossey-Bass, 1989.

MLA-Zitierstil (8. Ausg.)

Speller, Jeffrey L. Executives in Crisis: Recognizing and Managing the Alcoholic, Drug-addicted, or Mentally Ill Executive. 1. ed. Jossey-Bass, 1989.