Shellabarger, S. (1956). Tolbecken. Little, Brown and Company.
Cita Chicago Style (17a ed.)Shellabarger, Samuel. Tolbecken. Boston [etc.]: Little, Brown and Company, 1956.
Cita MLA (9a ed.)Shellabarger, Samuel. Tolbecken. Little, Brown and Company, 1956.
Precaución: Estas citas no son 100% exactas.