You will generally cite in text the same way you would create a parenthetical citation for a work by a corporate author. See MLA Handbook for Writers of Research Papers, 7th ed., Section 6.4.5.
Helpful Tips and Examples:
(United Nations, Economic Commission for Africa 79-86)
In 1963 the United Nations Economic Commission for Africa predicted that Africa would evolve into an advanced industrial economy within fifty years (1-2, 4-6).
(Natl. Research Council 15)
Government publications come from many sources and present special challenges when trying to cite these sources. It is best to consult the MLA Handbook for Writers of Research Papers, 7th ed., Sections 5.5.20, 5.6 (online gov't docs), and 5.7.14 (legal sources).
Helpful Tips and Examples:
United States. Cong. House.
Poore, Benjamin Perley, comp. A Descriptive Catalogue of the Government Publications of the United States, September 5, 1774-March 4, 1881. US 48th Cong., 2nd sess. Misc. Doc. 67. Washington: GPO, 1885.
Cong. Rec. 7 Feb. 1973: 3831-51. Print.
United States. Cong. House. Permanent Select Committee on Intelligence. Al-Qaeda: The Many Faces of an Islamist Extremist Threat. 109th Cong., 2nd sess. H. Rept. 615. Washington: GPO, 2006. Print.
---. ---. Joint Committee on the Investigation of the Pearl Harbor Attack. Hearings. 79th Cong., 1st and 2nd sess. 32 vols. Washington: GPO, 1946. Print.
---. Dept. of Labor. Child Care: A Workforce Issue. Washington: GPO, 1988. print.
---. Dept. of Labor. Citizens' Report: FY 2008 Summary of Performance and Financial Results. Web. 4 Sept. 2013.