When writing the date, some prefer to put the month first, still others the day. Some people write the date out in full, others use abbreviations or. Use commas to set off the year when writing out a date: May 12. Dates. A variety of different styles may be used for formal invitations. Write " Reservations are due July 27," not "Reservations are due July 27th." The single exception to this rule is at the end of a century, for example. When a sentence ends with an abbreviation, use only one period: Table 1 and Figure 4 present regions that where active for each of the two experimental conditions, as compared to the empty trials. I saw a great movie last weekend. The meeting was held on August 19,from to We prefer the guidance contained in The Associated Press Stylebook to spell out single-digit whole numbers and to use numerals for numbers greater than nine.