APA (7th ed.) Citation

Heath, D. R. (1928). Swiss stationers and office supply firms prefer direct dealings with American exporters. [publisher not identified].

Chicago Style (17th ed.) Citation

Heath, Donald R. Swiss Stationers and Office Supply Firms Prefer Direct Dealings with American Exporters. Washington, D.C.: [publisher not identified], 1928.

MLA (9th ed.) Citation

Heath, Donald R. Swiss Stationers and Office Supply Firms Prefer Direct Dealings with American Exporters. [publisher not identified], 1928.