Lua APA (7ú heag.)

North Carolina Geological Survey (1883-1905). (1893). Bulletin. Josephus Daniels, State printer and binder.

Lua i Stíl Chicago (17ú heag.)

North Carolina Geological Survey (1883-1905). Bulletin. Raleigh: Josephus Daniels, State printer and binder, 1893.

Lua MLA (8ú heag.)

North Carolina Geological Survey (1883-1905). Bulletin. Josephus Daniels, State printer and binder, 1893.

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