First is Bobby and let me check for the second one
The vES ending should be added to nouns that end in -f or -fe in their singular form. In that case, the -f or -fe is removed and -ves is added as a plural ending. Examples include: life - lives, wife - wives, knife - knives, wolf - wolves, leaf - leaves. But there are also exceptions, such as belief - beliefs, cliff - cliffs, roof - roofs.
In-text citations: Author-page style. MLA format follows the author-page method of in-text citation. This means that the author's last name and the page number(s) from which the quotation or paraphrase is taken must appear in the text, and a complete reference should appear on your Works Cited page.<span>
Source: Purdue OWL: MLA Formatting and Style Guide</span><span>owl.english.purdue.edu/owl/resource/747/02/</span>
