APA (7th ed.) Citation

Hydrogeologists, I. A. o., World, C. f. t. G. M. o. t., & Hjartarson, Á. (1980). Explanatory notes for the International hydrogeological map of Europe: Scale 1:1, 500,000; sheet B 2 Iceland. Germany FR.

Chicago Style (17th ed.) Citation

Hydrogeologists, International Association of, Commission for the Geological Map of the World, and Árni Hjartarson. Explanatory Notes for the International Hydrogeological Map of Europe: Scale 1:1, 500,000; Sheet B 2 Iceland. Germany FR, 1980.

MLA (9th ed.) Citation

Hydrogeologists, International Association of, et al. Explanatory Notes for the International Hydrogeological Map of Europe: Scale 1:1, 500,000; Sheet B 2 Iceland. Germany FR, 1980.