Παραπομπή σε μορφή APA (7η εκδ.)

Thulin, B. (1987). Diatoms and paleoenvironment at Ottenby, southern Öland, southeastern Sweden. Societas Upsaliensis pro Geologia Quaternaria.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Thulin, Barbara. Diatoms and Paleoenvironment at Ottenby, Southern Öland, Southeastern Sweden. Uppsala: Societas Upsaliensis pro Geologia Quaternaria, 1987.

Παραπομπή σε μορφή MLA (8th εκδ.)

Thulin, Barbara. Diatoms and Paleoenvironment at Ottenby, Southern Öland, Southeastern Sweden. Societas Upsaliensis pro Geologia Quaternaria, 1987.