International Congress International Association of Engineering Geology, Lisboa, Portugal, International Association of Engineering Geology, Oliveira, R., Rodrigues, L., Coelho, A., & Cunha, A. Proceedings Seventh International Congress International Association of engineering Geology = Comptes-rendus Septi'eme Congr�es International Association Internationale de G�eologie de l'Ing�enieur: 5-9 September 1994/Lisboa/Portugal.
Chicago Style (17th ed.) CitationInternational Congress International Association of Engineering Geology, Lisboa, Portugal, International Association of Engineering Geology, R. Oliveira, L.F Rodrigues, A.G Coelho, and A.P Cunha. Proceedings Seventh International Congress International Association of Engineering Geology = Comptes-rendus Septi'eme Congr�es International Association Internationale De G�eologie De L'Ing�enieur: 5-9 September 1994/Lisboa/Portugal.
MLA (9th ed.) CitationInternational Congress International Association of Engineering Geology, Lisboa, Portugal, et al. Proceedings Seventh International Congress International Association of Engineering Geology = Comptes-rendus Septi'eme Congr�es International Association Internationale De G�eologie De L'Ing�enieur: 5-9 September 1994/Lisboa/Portugal.