APA (7th ed.) Citation

Guirado, J. C., & Quirrenbach, A. (1998). Submilliarcsecond shift of the brightness peak of the radio sources 1928+738 and 2007+777. Astronomy and astrophysics, 336(?), .

Chicago Style (17th ed.) Citation

Guirado, Jose C., and Andreas Quirrenbach. "Submilliarcsecond Shift of the Brightness Peak of the Radio Sources 1928+738 and 2007+777." Astronomy and Astrophysics 336, no. ? (1998).

MLA (9th ed.) Citation

Guirado, Jose C., and Andreas Quirrenbach. "Submilliarcsecond Shift of the Brightness Peak of the Radio Sources 1928+738 and 2007+777." Astronomy and Astrophysics, vol. 336, no. ?, 1998.