APA (7th ed.) Citation

Mann, L. B., & Witherow, G. A. (1929). Foreign trade of the United States in the calendar year 1928. United States. Bureau of Foreign & Domestic Commerce. Trade Information Bulletin, 602, 1.

Chicago Style (17th ed.) Citation

Mann, L. B., and G. A. Witherow. "Foreign Trade of the United States in the Calendar Year 1928." United States. Bureau of Foreign & Domestic Commerce. Trade Information Bulletin 602 (1929): 1.

MLA (9th ed.) Citation

Mann, L. B., and G. A. Witherow. "Foreign Trade of the United States in the Calendar Year 1928." United States. Bureau of Foreign & Domestic Commerce. Trade Information Bulletin, vol. 602, 1929, p. 1.