Tohutoro APA (7th ed.)

Hemingway, E. (1955). For whom the bell tolls (1a. ed.). Penguin Books.

Tohutoru Kātū Chicago (17th ed.)

Hemingway, Ernest. For Whom the Bell Tolls. 1a. ed. Londres: Penguin Books, 1955.

Tohutoro MLA (9th ed.)

Hemingway, Ernest. For Whom the Bell Tolls. 1a. ed. Penguin Books, 1955.