In the rare event that parentheses are required within parentheses, use brackets instead. This is one of the few uses of brackets outside of quotations. Correct: In his twenties, he toured the country giving lectures to physics students (subsequently published as M-theory for Morons ).
Ellipses for omitted material within a single quoted sentence . Use ellipsis points to show omission within the quotation. Omit any punctuation on either side of the ellipsis, unless the punctuation is necessary to make the shortened quotation grammatically correct.
The exclamation mark (British English) or exclamation point (some dialects of American English) is a punctuation mark usually used after an interjection or exclamation to indicate strong feelings or high volume (shouting), or show emphasis, and often marks the end of a sentence.
The placement of question marks with quotation marks follows logic. If a question is within the quoted material, a question mark should be placed inside the quotation marks. If a question is within the quoted material, a question mark should be placed inside the quotation marks.
Like commas, semicolons indicate an audible pause—slightly longer than a comma's, but short of a period's full stop. Semicolons have other functions, too. But first, a caveat: avoid the common mistake of using a semicolon to replace a colon (see the "Colons" section).