APA (7th ed.) Citation

Professional Education Systems & Stelter, T. (1988). Lawyers' and creditors' service directory. Professional Education Systems.

Chicago Style (17th ed.) Citation

Professional Education Systems and Thomas Stelter. Lawyers' and Creditors' Service Directory. Eau Claire, Wis.: Professional Education Systems, 1988.

MLA (9th ed.) Citation

Professional Education Systems and Thomas Stelter. Lawyers' and Creditors' Service Directory. Professional Education Systems, 1988.