It is not used in the endnotes to set off the title of a publication. SPE does NOT use single quotation marks or italics to show emphasis, only to set off a quotation within a quotation. Please use clear, vivid descriptions to demonstrate the importance of a word or idea. Although originality of thought and the imaginative use of language is encouraged, for the sake of readability please keep excessive jargon and made-up words to a minimum. Only put a period inside parentheses if the parentheses contains a complete sentence.
Computer fonts are different from the courier types created by typewriters.
It is no longer necessary nor conventional to leave two blank spaces at the beginning of a new sentence. One space is sufficient. Other Stylistic Questions Please refer to The Chicago Manual of Style, 13th ed.