What Is Wrong with the Following Parenthetical Citation

What is wrong with the following parenthetical citation?
The most commonly used definition for communication apprehension comes from McCroskey (1977) , where he defined communication apprehension as "an individual's level of fear or anxiety associated with either real or anticipated communication with another person or persons." (p. 78.)

A) you need McCroskey's first name in the citation
B) the year must be with the page number
C) you should use single quotations (' ' ) instead of double quotations (" ")
D) the period should go after the parentheses surrounding the page number