APA (7th ed.) Citation

Malkan, M. A., & Moore, R. L. (1985). The ultraviolet excess of quasars. [Arizona University], Steward Observatory ; [National Aeronautics and Space Administration].

Chicago Style (17th ed.) Citation

Malkan, Matthew Arnold, and Richard L. Moore. The Ultraviolet Excess of Quasars. [Tucson, Ariz.] : [Washington, D.C.]: [Arizona University], Steward Observatory ; [National Aeronautics and Space Administration], 1985.

MLA (9th ed.) Citation

Malkan, Matthew Arnold, and Richard L. Moore. The Ultraviolet Excess of Quasars. [Arizona University], Steward Observatory ; [National Aeronautics and Space Administration], 1985.