Answer: Entry A is correct.
Halpern, Howard M. Cutting loose. New York: Simon and Schuster, 1977. Print.
Explanation:
Book citations require the authors names, work title, publication city, publisher, year published and indication of the medium it was produced, print.
It is important to cite books properly so as to show that researches was done before it was published and to show necessary information about the book, where it was produced, who did the great work and so on.
