Não informado. (1973). SYRACUSE UNIVERSITY GEOLOGY CONTRIBUTIONS. Syracuse University, Department of Geology.
Citação do estilo Chicago (17ª ed.)Não informado. SYRACUSE UNIVERSITY GEOLOGY CONTRIBUTIONS. Syracuse, NY: Syracuse University, Department of Geology, 1973.
Citação MLA (8ª ed.)Não informado. SYRACUSE UNIVERSITY GEOLOGY CONTRIBUTIONS. Syracuse University, Department of Geology, 1973.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.