Smithsonian Institution. (1913). Cambrian geology and paleontology, II: No. 11, new lower Cambrian subfauna. [publisher not identified].
Chicago Style (17th ed.) CitationSmithsonian Institution. Cambrian Geology and Paleontology, II: No. 11, New Lower Cambrian Subfauna. [Washington]: [publisher not identified], 1913.
MLA (9th ed.) CitationSmithsonian Institution. Cambrian Geology and Paleontology, II: No. 11, New Lower Cambrian Subfauna. [publisher not identified], 1913.
Warning: These citations may not always be 100% accurate.