APA (7th ed.) Citation

EL, S. (1990). Discovery of the oldest known anthropoidean skull from the paleogene of Egypt. Science (New York, N.Y.), 247(4950), 1567. https://doi.org/10.1126/science.2108499

Chicago Style (17th ed.) Citation

EL, Simons. "Discovery of the Oldest Known Anthropoidean Skull from the Paleogene of Egypt." Science (New York, N.Y.) 247, no. 4950 (1990): 1567. https://doi.org/10.1126/science.2108499.

MLA (9th ed.) Citation

EL, Simons. "Discovery of the Oldest Known Anthropoidean Skull from the Paleogene of Egypt." Science (New York, N.Y.), vol. 247, no. 4950, 1990, p. 1567, https://doi.org/10.1126/science.2108499.

Warning: These citations may not always be 100% accurate.