Problem: Works Cited Gurko, Leo. "The Heroic Impulse in The Old Man and the Sea." Twentieth Century Interpretations of The Old Man and the Sea. Edited by Katharine T. Jobes. Prentice, 1968, pp. 65-71. Hemingway, Ernest. The Old Man and the Sea. Scribners-Collier, 1952. Point out the major error in this selection from a research paper. Select one: a. The Works Cited is not in alphabetical order. b. Periods should come before the parentheses. c. The Works Cited is incomplete.