APA (7th ed.) Citation

Erdélyi, M., & Gálfi, J. (1988). Surface and subsurface mapping in hydrogeology. Wiley.

Chicago Style (17th ed.) Citation

Erdélyi, Mihály, and J. Gálfi. Surface and Subsurface Mapping in Hydrogeology. Chichester ; New York: Wiley, 1988.

MLA (9th ed.) Citation

Erdélyi, Mihály, and J. Gálfi. Surface and Subsurface Mapping in Hydrogeology. Wiley, 1988.