APA (7th ed.) Citation

Sheaffer, J. R., Ellis, D. W., & Spieker, A. M. (1970). Flood-hazard mapping in Metropolitan Chicago. [U.S. Geological Survey].

Chicago Style (17th ed.) Citation

Sheaffer, John Richard, Davis W. Ellis, and Andrew Maute Spieker. Flood-hazard Mapping in Metropolitan Chicago. Washington: [U.S. Geological Survey], 1970.

MLA (9th ed.) Citation

Sheaffer, John Richard, et al. Flood-hazard Mapping in Metropolitan Chicago. [U.S. Geological Survey], 1970.