APA (7th ed.) Citation

Daugherty, W. T. (1927). World trade in coal tar dyes, food coloring: Germany. [publisher not identified].

Chicago Style (17th ed.) Citation

Daugherty, William Telfair. World Trade in Coal Tar Dyes, Food Coloring: Germany. Washington, D.C.: [publisher not identified], 1927.

MLA (9th ed.) Citation

Daugherty, William Telfair. World Trade in Coal Tar Dyes, Food Coloring: Germany. [publisher not identified], 1927.