Rasmussen, D. T., Olson, S. L., & Simons, E. L. (1987). Fossil birds from the oligocene jebel qatrani formation, Fayum province, Egypt. Washington: Smithsonian Institution Press.
Chicago Style CitationRasmussen, D. Tab, Storrs L. Olson, and Elwyn L. Simons. Fossil Birds From the Oligocene Jebel Qatrani Formation, Fayum Province, Egypt. Washington: Smithsonian Institution Press, 1987.
MLA CitationRasmussen, D. Tab, Storrs L. Olson, and Elwyn L. Simons. Fossil Birds From the Oligocene Jebel Qatrani Formation, Fayum Province, Egypt. Washington: Smithsonian Institution Press, 1987.
Warning: These citations may not always be 100% accurate.