APA (7th ed.) Citation

Coughlin, C. E. (1939). Memorial day and Pentecost. [C.E. Coughlin?].

Chicago Style (17th ed.) Citation

Coughlin, Charles E. Memorial Day and Pentecost. Royal Oak, Mich.: [C.E. Coughlin?], 1939.

MLA (8th ed.) Citation

Coughlin, Charles E. Memorial Day and Pentecost. [C.E. Coughlin?], 1939.