APA (7th ed.) Citation

Simonen, A. (1960). Precambrian geology, Southern Finland: Guide to excursions no. A 33 and no. C 28. Finnish Organizing Committee for the International Geological Congress.

Chicago Style (17th ed.) Citation

Simonen, Ahti. Precambrian Geology, Southern Finland: Guide to Excursions No. A 33 and No. C 28. Helsinki: Finnish Organizing Committee for the International Geological Congress, 1960.

MLA (9th ed.) Citation

Simonen, Ahti. Precambrian Geology, Southern Finland: Guide to Excursions No. A 33 and No. C 28. Finnish Organizing Committee for the International Geological Congress, 1960.