Cita APA (7th ed.)
Alger, H. (2001). Ballads. Project Gutenberg.
Cita Chicago (17th ed.)
Alger, Horatio. Ballads. Champaign, IL: Project Gutenberg, 2001.
Cita MLA (9th ed.)
Alger, Horatio. Ballads. Project Gutenberg, 2001.
Atenció: Aquestes cites poden no estar 100% correctes.