Macko, S. (1963). Sporomorphs from Upper Cretaceous near Opole (Silesia) and from the London clays. Wrocławskie Towarzystwo Naukowe.
Chicago Style (17th ed.) CitationMacko, Stefan. Sporomorphs from Upper Cretaceous Near Opole (Silesia) and from the London Clays. Wrocław: Wrocławskie Towarzystwo Naukowe, 1963.
MLA (9th ed.) CitationMacko, Stefan. Sporomorphs from Upper Cretaceous Near Opole (Silesia) and from the London Clays. Wrocławskie Towarzystwo Naukowe, 1963.
Warning: These citations may not always be 100% accurate.