Παραπομπή APA

Einstein, A., & Lawson, R. W. (1960). Relativity: The special and the general theory. Methuen & co. ltd.

Παραπομπή Chicago Style

Einstein, Albert, και Robert W. Lawson. Relativity: The Special and the General Theory. London: Methuen & co. ltd, 1960.

Παραπομπή MLA

Einstein, Albert, και Robert W. Lawson. Relativity: The Special and the General Theory. Methuen & co. ltd, 1960.