APA ציטוט

Fredén, C. (1988). Marine life and deglaciation chronology of the Vänern Basin, southwestern Sweden. Sveriges geologiska undersökning.

Chicago Style (17th ed.) Citation

Fredén, Curt. Marine Life and Deglaciation Chronology of the Vänern Basin, Southwestern Sweden. Uppsala: Sveriges geologiska undersökning, 1988.

ציטוט MLA

Fredén, Curt. Marine Life and Deglaciation Chronology of the Vänern Basin, Southwestern Sweden. Sveriges geologiska undersökning, 1988.