APA (7th ed.) Citation

Walker, J. (1928). Plate glass market in Maracaibo, Venezuela. [publisher not identified].

Chicago Style (17th ed.) Citation

Walker, Jay. Plate Glass Market in Maracaibo, Venezuela. Washington, D.C.: [publisher not identified], 1928.

MLA (9th ed.) Citation

Walker, Jay. Plate Glass Market in Maracaibo, Venezuela. [publisher not identified], 1928.