APA (7th ed.) Citation

International Geological Congress Prag & Beneš, K. (1968). Report of the twenty-third session, Czechoslovakia 1968. Academia.

Chicago Style (17th ed.) Citation

International Geological Congress Prag and Karel Beneš. Report of the Twenty-third Session, Czechoslovakia 1968. Prague: Academia, 1968.

MLA (9th ed.) Citation

International Geological Congress Prag and Karel Beneš. Report of the Twenty-third Session, Czechoslovakia 1968. Academia, 1968.