Crocker, R. (1992). Postal patron surveys: How to take a sample of the returned questionnaires. Congressional Research Service, Library of Congress.
Chicago Style (17th ed.) CitationCrocker, Royce. Postal Patron Surveys: How to Take a Sample of the Returned Questionnaires. [Washington, D.C.]: Congressional Research Service, Library of Congress, 1992.
MLA (9th ed.) CitationCrocker, Royce. Postal Patron Surveys: How to Take a Sample of the Returned Questionnaires. Congressional Research Service, Library of Congress, 1992.
Warning: These citations may not always be 100% accurate.