Smithsonian Institution. Office of the Secretary & Metcalf, M. M. (1929). Parasites and aid they give in problems of taxonomy, geographical distribution, and paleogeography. [publisher not identified].
Chicago Style (17th ed.) CitationSmithsonian Institution. Office of the Secretary and Maynard M. Metcalf. Parasites and Aid They Give in Problems of Taxonomy, Geographical Distribution, and Paleogeography. Washington, D.C.: [publisher not identified], 1929.
MLA (9th ed.) CitationSmithsonian Institution. Office of the Secretary and Maynard M. Metcalf. Parasites and Aid They Give in Problems of Taxonomy, Geographical Distribution, and Paleogeography. [publisher not identified], 1929.
Warning: These citations may not always be 100% accurate.