APA (7th ed.) Citation

Hunt, L. W. (1931). World trade in synthetic aromatics: Belgium. [publisher not identified].

Chicago Style (17th ed.) Citation

Hunt, Leigh W. World Trade in Synthetic Aromatics: Belgium. Washington, D.C.: [publisher not identified], 1931.

MLA (9th ed.) Citation

Hunt, Leigh W. World Trade in Synthetic Aromatics: Belgium. [publisher not identified], 1931.