Cita APA

Fernald, A. T. 1., & Fernald, A. T. 1. (1964). Surficial geology of the central Kobuk River valley, northwestern Alaska. Washington: U.S. Government Printing Office.

Citación estilo Chicago

Fernald, Arthur Thomas 1917-, y Arthur Thomas 1917- Fernald. Surficial Geology of the Central Kobuk River Valley, Northwestern Alaska. Washington: U.S. Government Printing Office, 1964.

Cita MLA

Fernald, Arthur Thomas 1917-, y Arthur Thomas 1917- Fernald. Surficial Geology of the Central Kobuk River Valley, Northwestern Alaska. Washington: U.S. Government Printing Office, 1964.