APA (7th ed.) Citation

Opsahl, S. P., & Musgrove, M. (2023). Occurrence of pharmaceutical compounds in the San Antonio segment of the Edwards (Balcones Fault Zone) Aquifer, South-Central Texas, June 2018-August 2020. U.S. Department of the Interior, U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Opsahl, Stephen P., and MaryLynn Musgrove. Occurrence of Pharmaceutical Compounds in the San Antonio Segment of the Edwards (Balcones Fault Zone) Aquifer, South-Central Texas, June 2018-August 2020. Reston, Virginia: U.S. Department of the Interior, U.S. Geological Survey, 2023.

MLA (9th ed.) Citation

Opsahl, Stephen P., and MaryLynn Musgrove. Occurrence of Pharmaceutical Compounds in the San Antonio Segment of the Edwards (Balcones Fault Zone) Aquifer, South-Central Texas, June 2018-August 2020. U.S. Department of the Interior, U.S. Geological Survey, 2023.