Fedonkin, M. A., & Yochelson, E. L. (2002). Middle Proterozoic (1.5 Ga) Horodyskia moniliformis Yochelson and Fedonkin, the oldest known tissue-grade colonial eucaryote. Smithsonian Institution Press.
Chicago Style (17th ed.) CitationFedonkin, M. A., and Ellis L. Yochelson. Middle Proterozoic (1.5 Ga) Horodyskia Moniliformis Yochelson and Fedonkin, the Oldest Known Tissue-grade Colonial Eucaryote. Washington, D.C.: Smithsonian Institution Press, 2002.
MLA (9th ed.) CitationFedonkin, M. A., and Ellis L. Yochelson. Middle Proterozoic (1.5 Ga) Horodyskia Moniliformis Yochelson and Fedonkin, the Oldest Known Tissue-grade Colonial Eucaryote. Smithsonian Institution Press, 2002.
Warning: These citations may not always be 100% accurate.