Stevens, M. S. (1966). The osteology and relationships of the Pliocene ground squirrel, Citellus dotti Hibbard, from the Ogallala Formation of Beaver County, Oklahoma. Texas Memorial Museum.
Chicago-Zitierstil (17. Ausg.)Stevens, Margaret Skeels. The Osteology and Relationships of the Pliocene Ground Squirrel, Citellus Dotti Hibbard, from the Ogallala Formation of Beaver County, Oklahoma. Austin, Tex: Texas Memorial Museum, 1966.
MLA-Zitierstil (9. Ausg.)Stevens, Margaret Skeels. The Osteology and Relationships of the Pliocene Ground Squirrel, Citellus Dotti Hibbard, from the Ogallala Formation of Beaver County, Oklahoma. Texas Memorial Museum, 1966.
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