Smithsonian Institution. Office of the Secretary, Bushnell, D. I., & Webber, J. (1928). Drawings by John Webber of natives of northwest coast of America, 1778. [publisher not identified].
Chicago Style (17th ed.) CitationSmithsonian Institution. Office of the Secretary, David I. Bushnell, and John Webber. Drawings by John Webber of Natives of Northwest Coast of America, 1778. Washington, D.C.: [publisher not identified], 1928.
MLA (9th ed.) CitationSmithsonian Institution. Office of the Secretary, et al. Drawings by John Webber of Natives of Northwest Coast of America, 1778. [publisher not identified], 1928.
Warning: These citations may not always be 100% accurate.