APA (7th ed.) Citation

(1927). New classification covering export statistics of iron body valves, steam, water, oil, and gas. [publisher not identified].

Chicago Style (17th ed.) Citation

New Classification Covering Export Statistics of Iron Body Valves, Steam, Water, Oil, and Gas. Washington, D.C.: [publisher not identified], 1927.

MLA (9th ed.) Citation

New Classification Covering Export Statistics of Iron Body Valves, Steam, Water, Oil, and Gas. [publisher not identified], 1927.