APA (7th ed.) Citation

Hubbard, L. R., & Chase, H. (2009). The problems of work (Library edition.). Golden Era Productions.

Chicago Style (17th ed.) Citation

Hubbard, L. Ron, and Harry Chase. The Problems of Work. Library edition. [Los Angeles?]: Golden Era Productions, 2009.

MLA (9th ed.) Citation

Hubbard, L. Ron, and Harry Chase. The Problems of Work. Library edition. Golden Era Productions, 2009.