APA (7. basım) Alıntı

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

Chicago Style (17. basım) Atıf

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

MLA (8th ed.) Atıf

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