Select all of the statements that are true of parenthetical citation.

a. a parenthetical citation is very short and is contained within the text.
b. a parenthetical citation includes the author and the title of the work cited.
c. a parenthetical citation gives the author's last name and a page reference for the source material.
d. a parenthetical citation is always in parentheses.
e. every source used for an assignment must be documented with a parenthetical citation.
f. only direct quotations need to be documented with a parenthetical citation.
g. a comma is not needed between the author's last name and the page reference.
h. the abbreviation for page is used in a parenthetical citation.