APA (7th ed.) Citation

(1928). Additional protocol to International Copyright Convention of Berlin, Nov. 13, 1908, signed at Berne, Mar. 20, 1914. [publisher not identified].

Chicago Style (17th ed.) Citation

Additional Protocol to International Copyright Convention of Berlin, Nov. 13, 1908, Signed at Berne, Mar. 20, 1914. [Washington]: [publisher not identified], 1928.

MLA (9th ed.) Citation

Additional Protocol to International Copyright Convention of Berlin, Nov. 13, 1908, Signed at Berne, Mar. 20, 1914. [publisher not identified], 1928.

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