Cita APA (7a ed.)

Mann, L. B., & Witherow, A. (1928). Foreign trade of the united states in the fiscal year 1927-28. Bur. of For. and Domest Commerce.

Cita Chicago Style (17a ed.)

Mann, Lawrence B., y A. Witherow. Foreign Trade of the United States in the Fiscal Year 1927-28. Washington: Bur. of For. and Domest Commerce, 1928.

Cita MLA (9a ed.)

Mann, Lawrence B., y A. Witherow. Foreign Trade of the United States in the Fiscal Year 1927-28. Bur. of For. and Domest Commerce, 1928.