Links to resources that provide examples of how to write citations, create a works cited list, and format written documents in various styles for several academic disciplines.
Government publications are written by federal bureaucrats and printed, not published, by the Government Printing Office.
Many government publications are now "published" on the web, either simultaneously with a print version, or exclusively online.
The author will be an individual or an agency.
The publisher will be an agency or bureau or division.
Very often these publications will not follow a standard title page arrangement and some publishing elements will be eliminated. Include whatever information is available for citing in any style, and simply leave out the information that is not provided.
DocsCite is a step-by-step guide to putting government publication citations into proper style format (APA or MLA) using a template. From Arizona State University Libraries.
Cornell University Library guide providing general principles for citing US Government documents in MLA or APA format, along with a note on citing government documents according to the Chicago Manual of Style.