APA (7th ed.) Citation

Uutela, A., & Tynni, R. (1991). Ordovician acritarchs from the Rapla borehole, Estonia. Geological Survey of Finland.

Chicago Style (17th ed.) Citation

Uutela, Anneli, and Risto Tynni. Ordovician Acritarchs from the Rapla Borehole, Estonia. Espoo: Geological Survey of Finland, 1991.

MLA (9th ed.) Citation

Uutela, Anneli, and Risto Tynni. Ordovician Acritarchs from the Rapla Borehole, Estonia. Geological Survey of Finland, 1991.