Lewisletter. New series. [s.n.].
Cita Chicago (17th ed.)Lewisletter. New Series. [S.l.]: [s.n.].
Cita MLA (9th ed.)Lewisletter. New Series. [s.n.].
Atenció: Aquestes cites poden no estar 100% correctes.
Cita APA (7th ed.)