APA (7th ed.) Citation

Armstrong, J. T., & Quirrenbach, A. (1992). The orbit of Phi Cygni measured with long-baseline optical interferometry: Component masses and absolute magnitudes. The astronomical journal, 104(6), .

Chicago Style (17th ed.) Citation

Armstrong, J. T., and Andreas Quirrenbach. "The Orbit of Phi Cygni Measured with Long-baseline Optical Interferometry: Component Masses and Absolute Magnitudes." The Astronomical Journal 104, no. 6 (1992).

MLA (9th ed.) Citation

Armstrong, J. T., and Andreas Quirrenbach. "The Orbit of Phi Cygni Measured with Long-baseline Optical Interferometry: Component Masses and Absolute Magnitudes." The Astronomical Journal, vol. 104, no. 6, 1992.