Cita APA (7a ed.)
Wormington, H. M. (1939). Ancient man in North America. Colorado Museum of Natural History.
Cita Chicago Style (17a ed.)
Wormington, Hannah Marie. Ancient Man in North America. Colorado: Colorado Museum of Natural History, 1939.
Cita MLA (9a ed.)
Wormington, Hannah Marie. Ancient Man in North America. Colorado Museum of Natural History, 1939.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.