APA (7th ed.) Citation

Haskell, L. W. (1926). World trade in prepared medicines: Switzerland. [publisher not identified].

Chicago Style (17th ed.) Citation

Haskell, Lewis W. World Trade in Prepared Medicines: Switzerland. Washington, D.C.: [publisher not identified], 1926.

MLA (9th ed.) Citation

Haskell, Lewis W. World Trade in Prepared Medicines: Switzerland. [publisher not identified], 1926.