Gould, B. A. (1897). Cordoba photographs: Photographic observations of star-clusters. The Nichols Press.
Cita Chicago Style (17a ed.)Gould, Benjamin Apthorp. Cordoba Photographs: Photographic Observations of Star-clusters. Lynn: The Nichols Press, 1897.
Cita MLA (9a ed.)Gould, Benjamin Apthorp. Cordoba Photographs: Photographic Observations of Star-clusters. The Nichols Press, 1897.
警告：这些引文格式不一定是100％准确.