APA

Dana Forest C, Willmarth Elmer H & McGraw-Hill Companies. (1937). Engineering problems manual. New York: McGraw-Hill Book Company, Inc.

Chicago

Dana Forest C, Willmarth Elmer H and McGraw-Hill Companies. 1937. Engineering problems manual. New York: McGraw-Hill Book Company, Inc.

Harvard

Dana Forest C, Willmarth Elmer H and McGraw-Hill Companies. (1937). Engineering problems manual. New York: McGraw-Hill Book Company, Inc.

MLA

Dana Forest C, Willmarth Elmer H and McGraw-Hill Companies. Engineering problems manual. New York: McGraw-Hill Book Company, Inc. 1937.