Cita APA (7a ed.)
Thomas, C. (1891). Catalogue of prehistoric works east of the Rocky mountains. Govt. print. off..
Cita Chicago Style (17a ed.)
Thomas, Cyrus. Catalogue of Prehistoric Works East of the Rocky Mountains. Washington: Govt. print. off., 1891.
Cita MLA (9a ed.)
Thomas, Cyrus. Catalogue of Prehistoric Works East of the Rocky Mountains. Govt. print. off., 1891.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.