APA (7th ed.) Citation

Geological Survey (U.S.), Shew, N., & Lanphere, M. A. (1992). Map showing potassium-argon ages from the Mount Katmai and adjacent parts of the Naknek and Afognak quadrangles, Alaska Peninsula, Alaska. The Survey.

Chicago Style (17th ed.) Citation

Geological Survey (U.S.), Nora Shew, and Marvin A. Lanphere. Map Showing Potassium-argon Ages from the Mount Katmai and Adjacent Parts of the Naknek and Afognak Quadrangles, Alaska Peninsula, Alaska. Reston, VA: The Survey, 1992.

MLA (9th ed.) Citation

Geological Survey (U.S.), et al. Map Showing Potassium-argon Ages from the Mount Katmai and Adjacent Parts of the Naknek and Afognak Quadrangles, Alaska Peninsula, Alaska. The Survey, 1992.