APA (7th ed.) Citation

Beckman, F. J. L., & Coughlin, C. E. (1939). Letter on labor and strikes. [C.E. Coughlin?].

Chicago Style (17th ed.) Citation

Beckman, Francis J. L., and Charles E. Coughlin. Letter on Labor and Strikes. Royal Oak, Mich.: [C.E. Coughlin?], 1939.

MLA (8th ed.) Citation

Beckman, Francis J. L., and Charles E. Coughlin. Letter on Labor and Strikes. [C.E. Coughlin?], 1939.