APA (7th ed.) Citation

Ketcham, J. B. (1928). World trade in prepared medicines: Malaya. [publisher not identified].

Chicago Style (17th ed.) Citation

Ketcham, John B. World Trade in Prepared Medicines: Malaya. Washington, D.C.: [publisher not identified], 1928.

MLA (9th ed.) Citation

Ketcham, John B. World Trade in Prepared Medicines: Malaya. [publisher not identified], 1928.

Warning: These citations may not always be 100% accurate.