Παραπομπή σε μορφή APA (7η εκδ.)

Henriksson, A. S. (1994). Late Cretaceous calcareous nannoplankton and the extinctions at the Cretaceous-Tertiary boundary. ACTA Universitatis Upsaliensis.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Henriksson, Anders S. Late Cretaceous Calcareous Nannoplankton and the Extinctions at the Cretaceous-Tertiary Boundary. Uppsala: ACTA Universitatis Upsaliensis, 1994.

Παραπομπή σε μορφή MLA (8th εκδ.)

Henriksson, Anders S. Late Cretaceous Calcareous Nannoplankton and the Extinctions at the Cretaceous-Tertiary Boundary. ACTA Universitatis Upsaliensis, 1994.