APA (7th ed.) Citation

Mann, E. A. (1926). British and American exports of cotton yarn. [publisher not identified].

Chicago Style (17th ed.) Citation

Mann, E. A. British and American Exports of Cotton Yarn. Washington, D.C.: [publisher not identified], 1926.

MLA (9th ed.) Citation

Mann, E. A. British and American Exports of Cotton Yarn. [publisher not identified], 1926.