APA (7th ed.) Citation

United States Civil Service Commission. (1930). Continuance certificates and Act of Apr. 23, 1930. [publisher not identified].

Chicago Style (17th ed.) Citation

United States Civil Service Commission. Continuance Certificates and Act of Apr. 23, 1930. [Washington]: [publisher not identified], 1930.

MLA (9th ed.) Citation

United States Civil Service Commission. Continuance Certificates and Act of Apr. 23, 1930. [publisher not identified], 1930.