Cita APA (7th ed.)
Pedrotti, E. M. S. (2002). Two unpublished letters by William Henry Hudson.
Cita Chicago (17th ed.)
Pedrotti, Enrique M. S. Two Unpublished Letters by William Henry Hudson. 2002.
Cita MLA (9th ed.)
Pedrotti, Enrique M. S. Two Unpublished Letters by William Henry Hudson. 2002.
Atenció: Aquestes cites poden no estar 100% correctes.