IV. A FEW MATTERS OF FORM
Headings. Leave a blank line, or its equivalent in space, after the title or heading of a manuscript. On succeeding pages, if using ruled paper, begin on the first line.
Numerals. Do not spell out dates or other serial numbers. Write them in figures or in Roman notation, as may be appropriate.
August 9, 1918 (9 August 1918)
Rule 3
Chapter XII
352nd Infantry
Parentheses. A sentence containing an expression in parenthesis is punctuated, outside of the marks of parenthesis, exactly as if the expression in parenthesis were absent. The expression within is punctuated as if it stood by itself, except that the final stop is omitted unless it is a question mark or an exclamation point.
I went to his house yesterday (my third attempt to see him), but he had left town.
He declares (and why should we doubt his good faith?) that he is now certain of success.