Cite
Seyfert galaxies and the cosmic γ-ray diffuse background
MLA
Bassani, L., et al. “Seyfert Galaxies and the Cosmic γ-Ray Diffuse Background.” Astrophysics and Space Science, vol. 82, no. 1, Feb. 1982, pp. 199–207. EBSCOhost, https://doi.org/10.1007/BF00651475.
APA
Bassani, L., Butler, R. C., Dean, A. J., Di Cocco, G., Perotti, F., & Villa, G. (1982). Seyfert galaxies and the cosmic γ-ray diffuse background. Astrophysics and Space Science, 82(1), 199–207. https://doi.org/10.1007/BF00651475
Chicago
Bassani, L., R. C. Butler, A. J. Dean, G. Di Cocco, F. Perotti, and G. Villa. 1982. “Seyfert Galaxies and the Cosmic γ-Ray Diffuse Background.” Astrophysics and Space Science 82 (1): 199–207. doi:10.1007/BF00651475.