APA (7th ed.) Citation

DH, R., PE, G., & BF, B. (1979). The double quasar 0957+561: A radio study at 6-centimeters wavelength. Science (New York, N.Y.), 205(4409), 894. https://doi.org/10.1126/science.205.4409.894

Chicago Style (17th ed.) Citation

DH, Roberts, Greenfield PE, and Burke BF. "The Double Quasar 0957+561: A Radio Study at 6-centimeters Wavelength." Science (New York, N.Y.) 205, no. 4409 (1979): 894. https://doi.org/10.1126/science.205.4409.894.

MLA (9th ed.) Citation

DH, Roberts, et al. "The Double Quasar 0957+561: A Radio Study at 6-centimeters Wavelength." Science (New York, N.Y.), vol. 205, no. 4409, 1979, p. 894, https://doi.org/10.1126/science.205.4409.894.