Cita APA (7th ed.)

Aspden, H. (1969). Physics: Without Einstein. Sabberton.

Cita Chicago (17th ed.)

Aspden, Harold. Physics: Without Einstein. Southampton: Sabberton, 1969.

Cita MLA (9th ed.)

Aspden, Harold. Physics: Without Einstein. Sabberton, 1969.

Atenció: Aquestes cites poden no estar 100% correctes.