APA (7th ed.) Citation

Armstrong, A. K. (1970). Mississippian rugose corals, peratrovich formation West Coast, Prince of Wales Island, Southeastern Alaska. U.S. Government Printing Office.

Chicago Style (17th ed.) Citation

Armstrong, Augustus K. Mississippian Rugose Corals, Peratrovich Formation West Coast, Prince of Wales Island, Southeastern Alaska. Washington, D.C: U.S. Government Printing Office, 1970.

MLA (9th ed.) Citation

Armstrong, Augustus K. Mississippian Rugose Corals, Peratrovich Formation West Coast, Prince of Wales Island, Southeastern Alaska. U.S. Government Printing Office, 1970.