APA-referens (7:e uppl.)

Zabel, M. D. (1968). Literary opinion in America: Essays illustrating the status, methods, and problems of criticism in the United States in the twentieth century (3d ed., rev.). P. Smith.

Chicago-referens (17:e uppl.)

Zabel, Morton Dauwen. Literary Opinion in America: Essays Illustrating the Status, Methods, and Problems of Criticism in the United States in the Twentieth Century. 3d ed., rev. Gloucester, Mass.: P. Smith, 1968.

MLA-referens (8:e uppl.)

Zabel, Morton Dauwen. Literary Opinion in America: Essays Illustrating the Status, Methods, and Problems of Criticism in the United States in the Twentieth Century. 3d ed., rev. P. Smith, 1968.