- question marks
Question marks denote direct queries. Indirect questions do not require a question mark.
He wondered whether he should go home.
- quotation marks
Quoted matter, spoken or written, is enclosed in double quotation marks in American English. Single quotation marks are used for quotations within quotations. British style is normally the reverse (single outer, double inner).
Use a comma before a direct quotation of only a few words following an introductory phrase:
Then she said, “If she thinks I’m going to say ’I don’t mind, go ahead,’ she can think again.”
Closing punctuation: American English follows what is known as the conventional order of punctuation. Periods and commas are always inside the closing quotation mark; dashes, ...