Hallman. Wm & H'ry. University of Iowa Press.
Cita Chicago (17th ed.)Hallman. Wm & H'ry. University of Iowa Press.
Cita MLA (9th ed.)Hallman. Wm & H'ry. University of Iowa Press.
Atenció: Aquestes cites poden no estar 100% correctes.
Cita APA (7th ed.)