Cita APA (7a ed.)

Barnett, L., & Einstein, A. (1955). The Universe and Dr. Eisntein. The New American library.

Cita Chicago Style (17a ed.)

Barnett, Lincoln, y Albert Einstein. The Universe and Dr. Eisntein. New York: The New American library, 1955.

Cita MLA (9a ed.)

Barnett, Lincoln, y Albert Einstein. The Universe and Dr. Eisntein. The New American library, 1955.