APA (7th ed.) Citation

National Zoological Park (U.S.), Smithsonian Institution. Office of the Secretary, Baird, S. F., Goode, G. B., Henry, J., Langley, S. P., & Smithson, J. (1897). Smithsonian Institution, 1846-1896, history of its first half century. [publisher not identified].

Chicago Style (17th ed.) Citation

National Zoological Park (U.S.), Smithsonian Institution. Office of the Secretary, Spencer Fullerton Baird, G. Brown Goode, Joseph Henry, S. P. Langley, and James Smithson. Smithsonian Institution, 1846-1896, History of Its First Half Century. Washington, D.C.: [publisher not identified], 1897.

MLA (9th ed.) Citation

National Zoological Park (U.S.), et al. Smithsonian Institution, 1846-1896, History of Its First Half Century. [publisher not identified], 1897.