International Geological Congress Montréal & Gill, J. E. (1972). International Geological Congress, twenty-fourth Session, Canada 1972: Symposium : Montreal, Canada = Congrès Geologique International, session vingt-quatrième, Canada 1972 : Colloque.
Chicago-Zitierstil (17. Ausg.)International Geological Congress Montréal und James E. Gill. International Geological Congress, Twenty-fourth Session, Canada 1972: Symposium : Montreal, Canada = Congrès Geologique International, Session Vingt-quatrième, Canada 1972 : Colloque. Montreal, 1972.
MLA-Zitierstil (9. Ausg.)International Geological Congress Montréal und James E. Gill. International Geological Congress, Twenty-fourth Session, Canada 1972: Symposium : Montreal, Canada = Congrès Geologique International, Session Vingt-quatrième, Canada 1972 : Colloque. 1972.