APA (7th ed.) Citation

King, P. B., Beikman, H. M., & Edmonston, G. J. (1974). Geologic map of the United States (exclusive of Alaska and Hawaii). Geologic Survey.

Chicago Style (17th ed.) Citation

King, Philip B., Helen M. Beikman, and Gertrude J. Edmonston. Geologic Map of the United States (exclusive of Alaska and Hawaii). [Reston, Va.]: Geologic Survey, 1974.

MLA (9th ed.) Citation

King, Philip B., et al. Geologic Map of the United States (exclusive of Alaska and Hawaii). Geologic Survey, 1974.