APA (7th ed.) Citation

(1922). Copyright, Austria; by President of U.S.A., proclamation. [publisher not identified].

Chicago Style (17th ed.) Citation

Copyright, Austria; by President of U.S.A., Proclamation. [Washington]: [publisher not identified], 1922.

MLA (9th ed.) Citation

Copyright, Austria; by President of U.S.A., Proclamation. [publisher not identified], 1922.

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