Cita APA (7th ed.)

(1964). ABC of relativity. Allen & Unwin.

Cita Chicago (17th ed.)

ABC of Relativity. London: Allen & Unwin, 1964.

Cita MLA (9th ed.)

ABC of Relativity. Allen & Unwin, 1964.

Atenció: Aquestes cites poden no estar 100% correctes.