Cita APA (7a ed.)

Franzén, C. (1983). Ecology and taxonomy of Silurian crinoids from Gotland. Uppsala Universitet.

Cita Chicago Style (17a ed.)

Franzén, Christina. Ecology and Taxonomy of Silurian Crinoids from Gotland. Uppsala, Sweden: Uppsala Universitet, 1983.

Cita MLA (8a ed.)

Franzén, Christina. Ecology and Taxonomy of Silurian Crinoids from Gotland. Uppsala Universitet, 1983.

Precaución: Estas citas no son 100% exactas.