(1986). Vol. 57, № 17; Physical Review Letters. 1986.
Cita Chicago (17th ed.)Vol. 57, № 17; Physical Review Letters. 1986, 1986.
Cita MLA (9th ed.)Vol. 57, № 17; Physical Review Letters. 1986, 1986.
Atenció: Aquestes cites poden no estar 100% correctes.