APA

Parker R. A. R., Gull T. R. & Kirshner R. P. (1979). An emission-line survey of the Milky Way. Washington: Scientific and Technical Information Office, National Aeronautics and Space Administration : for sale by Supt. of Docs., U.S. Govt. Print. Off.

Chicago

Parker Robert A R, Gull Theodore R and Kirshner Robert P. 1979. An emission-line survey of the Milky Way. Washington: Scientific and Technical Information Office, National Aeronautics and Space Administration : for sale by Supt. of Docs., U.S. Govt. Print. Off.

Harvard

Parker R. A. R., Gull T. R. and Kirshner R. P. (1979). An emission-line survey of the Milky Way. Washington: Scientific and Technical Information Office, National Aeronautics and Space Administration : for sale by Supt. of Docs., U.S. Govt. Print. Off.

MLA

Parker Robert A R, Gull Theodore R and Kirshner Robert P. An emission-line survey of the Milky Way. Washington: Scientific and Technical Information Office, National Aeronautics and Space Administration : for sale by Supt. of Docs., U.S. Govt. Print. Off. 1979.