Commercial travelers' guide to Latin America.
APA Citation
United States. Bureau of Foreign and Domestic Commerce. (1931). Commercial travelers' guide to Latin America. 4th ed. Washington: U.S. Govt. Print. Off..
MLA Citation
United States. Bureau of Foreign and Domestic Commerce. Commercial Travelers' Guide to Latin America. 4th ed. Washington: U.S. Govt. Print. Off., 1931.
Warning: These citations may not always be complete (especially for serials).