APA (7th ed.) Citation

United States. Congress. House. Committee on Post Office and Civil Service, ProQuest (Firm), & United States Civil Service Commission. (1973). Hazardous Occupation Classification for Customs and Immigration Inspectors for Civil Service Retirement Purposes. [publisher not identified].

Chicago Style (17th ed.) Citation

United States. Congress. House. Committee on Post Office and Civil Service, ProQuest (Firm), and United States Civil Service Commission. Hazardous Occupation Classification for Customs and Immigration Inspectors for Civil Service Retirement Purposes. Washington: [publisher not identified], 1973.

MLA (9th ed.) Citation

United States. Congress. House. Committee on Post Office and Civil Service, et al. Hazardous Occupation Classification for Customs and Immigration Inspectors for Civil Service Retirement Purposes. [publisher not identified], 1973.