APA (7th ed.) Citation

(1925). Standard Form No. 4a, changes in civilian personnel. [publisher not identified].

Chicago Style (17th ed.) Citation

Standard Form No. 4a, Changes in Civilian Personnel. Washington, D.C.: [publisher not identified], 1925.

MLA (9th ed.) Citation

Standard Form No. 4a, Changes in Civilian Personnel. [publisher not identified], 1925.