APA (7th ed.) Citation

Geological Survey, Moore, D. W., Christiansen, A. C., Richmond, G. M., Wermund, E. G., & University of Texas. Bureau of Economic Geology. (1993). Quaternary geologic map of the Austin 4⁰ x 6⁰ quadrangle, United States. The Survey ; For sale by Map Distribution.

Chicago Style (17th ed.) Citation

Geological Survey, David W. Moore, Ann Coe Christiansen, Gerald Martin Richmond, E. G. Wermund, and University of Texas. Bureau of Economic Geology. Quaternary Geologic Map of the Austin 4⁰ X 6⁰ Quadrangle, United States. Reston, VA : Denver, CO: The Survey ; For sale by Map Distribution, 1993.

MLA (8th ed.) Citation

Geological Survey, et al. Quaternary Geologic Map of the Austin 4⁰ X 6⁰ Quadrangle, United States. The Survey ; For sale by Map Distribution, 1993.