Cita APA (7a ed.)

(1991). Vol. 44, № 11; Physical Review. Ser. B. 1991.

Cita Chicago Style (17a ed.)

Vol. 44, № 11; Physical Review. Ser. B. 1991, 1991.

Cita MLA (9a ed.)

Vol. 44, № 11; Physical Review. Ser. B. 1991, 1991.