APA (7th ed.) Citation

Luecke, D. L. (1981). The relationship manual: How to diagnose, build, or enrich a relationship. Relationship Institute.

Chicago Style (17th ed.) Citation

Luecke, David L. The Relationship Manual: How to Diagnose, Build, or Enrich a Relationship. Columbia, Md.: Relationship Institute, 1981.

MLA (9th ed.) Citation

Luecke, David L. The Relationship Manual: How to Diagnose, Build, or Enrich a Relationship. Relationship Institute, 1981.