APA (7th ed.) Citation

DA, H., & 3rd, G. J. (1989). Star formation in irregular galaxies. Science (New York, N.Y.), 243(4898), 1557. https://doi.org/10.1126/science.243.4898.1557

Chicago Style (17th ed.) Citation

DA, Hunter, and Gallagher JS 3rd. "Star Formation in Irregular Galaxies." Science (New York, N.Y.) 243, no. 4898 (1989): 1557. https://doi.org/10.1126/science.243.4898.1557.

MLA (9th ed.) Citation

DA, Hunter, and Gallagher JS 3rd. "Star Formation in Irregular Galaxies." Science (New York, N.Y.), vol. 243, no. 4898, 1989, p. 1557, https://doi.org/10.1126/science.243.4898.1557.