Cita APA

Asimov, I. (1977). The beginning and the end. New York: Doubleday & Company,Inc.

Chicago Style Citation

Asimov, Isaac. The Beginning and the End. New York: Doubleday & Company,Inc, 1977.

Cita MLA

Asimov, Isaac. The Beginning and the End. New York: Doubleday & Company,Inc, 1977.

Atenció: Aquestes cites poden no estar 100% correctes.