APA (7th ed.) Citation

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