Smithsonian Institution. Office of the Secretary & True, F. W. (1907). Remarks on type of fossil cetacean Agorophius pygmaeus (Muller). [publisher not identified].
Chicago Style (17th ed.) CitationSmithsonian Institution. Office of the Secretary and Frederick W. True. Remarks on Type of Fossil Cetacean Agorophius Pygmaeus (Muller). Washington, D.C.: [publisher not identified], 1907.
MLA (9th ed.) CitationSmithsonian Institution. Office of the Secretary and Frederick W. True. Remarks on Type of Fossil Cetacean Agorophius Pygmaeus (Muller). [publisher not identified], 1907.
Warning: These citations may not always be 100% accurate.