Cita APA

American Red Cross. (1957). First aid textbook (4th ed. rev. 1957, 19th printing.). Garden City, New York: Doubleday & Company.

Citación estilo Chicago

American Red Cross. First Aid Textbook. 4th ed. rev. 1957, 19th printing. Garden City, New York: Doubleday & Company, 1957.

Cita MLA

American Red Cross. First Aid Textbook. 4th ed. rev. 1957, 19th printing. Garden City, New York: Doubleday & Company, 1957.