APA način citiranja (7. izdanje)
Hirschfeld, S. E. (1985). Ground Sloths from the Friasian La Venta fauna additions to the Pre-Friasian Coyaima fauna of Colombia, South America. Univ.of Calif.Pr.
Čikaški stil citiranja (17. izdanje)
Hirschfeld, Sue Ellen. Ground Sloths from the Friasian La Venta Fauna Additions to the Pre-Friasian Coyaima Fauna of Colombia, South America. Berkeley: Univ.of Calif.Pr, 1985.
MLA način citiranja (9. izdanje)
Hirschfeld, Sue Ellen. Ground Sloths from the Friasian La Venta Fauna Additions to the Pre-Friasian Coyaima Fauna of Colombia, South America. Univ.of Calif.Pr, 1985.
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