APA (7th ed.) Citation

United States Civil Service Commission. (1927). Retirement age of packers; openers and packers; and verifiers, openers and packers. [publisher not identified].

Chicago Style (17th ed.) Citation

United States Civil Service Commission. Retirement Age of Packers; Openers and Packers; and Verifiers, Openers and Packers. [Washington]: [publisher not identified], 1927.

MLA (9th ed.) Citation

United States Civil Service Commission. Retirement Age of Packers; Openers and Packers; and Verifiers, Openers and Packers. [publisher not identified], 1927.