Ústřední ústav geologický (Czech Republic), Zoubek, V., Svoboda, J., & Mahal', M. (1966). Regional geology of Czechoslovakia. Geological Survey of Czechoslovakia, Publishing House of the Czechoslovak Academy of Sciences.
Chicago Style (17th ed.) CitationÚstřední ústav geologický (Czech Republic), Vladimír Zoubek, Josef Svoboda, and Michal Mahal'. Regional Geology of Czechoslovakia. Prague: Geological Survey of Czechoslovakia, Publishing House of the Czechoslovak Academy of Sciences, 1966.
MLA (9th ed.) CitationÚstřední ústav geologický (Czech Republic), et al. Regional Geology of Czechoslovakia. Geological Survey of Czechoslovakia, Publishing House of the Czechoslovak Academy of Sciences, 1966.
Warning: These citations may not always be 100% accurate.