Cita APA (7a ed.)

International Congress on Carboniferous and Permian Geology and Stratigraphy 12º : 1991 september : Buenos Aires & International congress on carboniferous and permian geology and stratigraphy, 12. (1991). Abstracts.

Cita Chicago Style (17a ed.)

International Congress on Carboniferous and Permian Geology and Stratigraphy 12º : 1991 september : Buenos Aires y 12 International congress on carboniferous and permian geology and stratigraphy. Abstracts. Buenos Aires:, 1991.

Cita MLA (8a ed.)

International Congress on Carboniferous and Permian Geology and Stratigraphy 12º : 1991 september : Buenos Aires y 12 International congress on carboniferous and permian geology and stratigraphy. Abstracts. 1991.