APA (7th ed.) Citation

United States. Congress. House, ProQuest (Firm), & United States. Congress. House. Committee on Post Office and Civil Service. (1948). Providing for the issuance of a special postage stamp in commemoration of the dedication of the Palomar Mountain Observatory. [publisher not identified].

Chicago Style (17th ed.) Citation

United States. Congress. House, ProQuest (Firm), and United States. Congress. House. Committee on Post Office and Civil Service. Providing for the Issuance of a Special Postage Stamp in Commemoration of the Dedication of the Palomar Mountain Observatory. Washington: [publisher not identified], 1948.

MLA (9th ed.) Citation

United States. Congress. House, et al. Providing for the Issuance of a Special Postage Stamp in Commemoration of the Dedication of the Palomar Mountain Observatory. [publisher not identified], 1948.