Style de citation APA (7e éd.)

Hedberg H. Hollis. (1961). Part 25: International Subcommission on Stratigraphic Terminology. Stratigraphic Classification and Terminology; International Geological Congress. Report of the Twenty- First Session. Norden Denmark. Finland. Iceland. Norway. Sweden 1960. 1961.

Style de citation Chicago (17e éd.)

Hedberg H. Hollis. Part 25: International Subcommission on Stratigraphic Terminology. Stratigraphic Classification and Terminology; International Geological Congress. Report of the Twenty- First Session. Norden Denmark. Finland. Iceland. Norway. Sweden 1960. 1961, 1961.

Style de citation MLA (9e éd.)

Hedberg H. Hollis. Part 25: International Subcommission on Stratigraphic Terminology. Stratigraphic Classification and Terminology; International Geological Congress. Report of the Twenty- First Session. Norden Denmark. Finland. Iceland. Norway. Sweden 1960. 1961, 1961.

Attention : ces citations peuvent ne pas être correctes à 100%.