APA (7th ed.) Citation

(1927). Tariff changes on lumber and shingles in Barbados, British Guiana, and Trinidad. [publisher not identified].

Chicago Style (17th ed.) Citation

Tariff Changes on Lumber and Shingles in Barbados, British Guiana, and Trinidad. Washington, D.C.: [publisher not identified], 1927.

MLA (9th ed.) Citation

Tariff Changes on Lumber and Shingles in Barbados, British Guiana, and Trinidad. [publisher not identified], 1927.