Your professors expect to receive papers that are properly formatted and laid out. Use the following guidelines when setting up your paper.Write out the month, day and year two inches from the top of the page. Chicago Style Guide. This guide provides citation and bibliography assistance. Includes APA, MLA, and Chicago style examples. Chicago letter format is a specific style of formatting business letters that is commonly used in the United States. When did CMOS first recommend one space (instead of two) after periods and colons? City of Chicago, Housing and Economic Development, Zoning Commissioner, Zoning Administrator, Administrative Reviews, Rebuild Letter. Personal letters may still be preferable to email communication in a number of contexts.