APA (7th ed.) Citation

International Association of Engineering Geology. (1978). III [as printed] International Congress: International Association of Engineering Geology, Madrid, Spain, 4-8 September, 1978. III Congreso Internacional de Geologia del Ingeniero, Servicio Geologico de O. P..

Chicago Style (17th ed.) Citation

International Association of Engineering Geology. III [as Printed] International Congress: International Association of Engineering Geology, Madrid, Spain, 4-8 September, 1978. Madrid: III Congreso Internacional de Geologia del Ingeniero, Servicio Geologico de O. P., 1978.

MLA (9th ed.) Citation

International Association of Engineering Geology. III [as Printed] International Congress: International Association of Engineering Geology, Madrid, Spain, 4-8 September, 1978. III Congreso Internacional de Geologia del Ingeniero, Servicio Geologico de O. P., 1978.