Holograph manuscript for "An[nual] Phenomena for December" (In Series I)
MLA
Thoreau, Henry David, 1817-1862. Holograph manuscript for "An[nual] Phenomena for December" (In Series I). Box 2, folder 17. 1850-61. https://collections.library.yale.edu/catalog/2056838.
APA, 6th edition
Thoreau, Henry David, 1817-1862. (["Box 2, folder 17"])(1850-61)[Holograph manuscript for "An[nual] Phenomena for December" (In Series I)]. https://collections.library.yale.edu/catalog/2056838.