APA (7th ed.) Citation

(1987). Geological map: Pre-quaternary rocks Northern Fennoscandia.

Chicago Style (17th ed.) Citation

Geological Map: Pre-quaternary Rocks Northern Fennoscandia. Helsinki, 1987.

MLA (9th ed.) Citation

Geological Map: Pre-quaternary Rocks Northern Fennoscandia. 1987.

Warning: These citations may not always be 100% accurate.