APA (7th ed.) Citation

Young, R. A. (1930). Reserves of central banks and world's gold supply. [publisher not identified].

Chicago Style (17th ed.) Citation

Young, Ralph A. Reserves of Central Banks and World's Gold Supply. Washington, D.C.: [publisher not identified], 1930.

MLA (9th ed.) Citation

Young, Ralph A. Reserves of Central Banks and World's Gold Supply. [publisher not identified], 1930.