Andrews, A. L. (1922). Hymenostomum in North America: II. The Case of Astomum Sullivantii ([Sonderdruck].).
Chicago Style (17th ed.) CitationAndrews, Albert Leroy. Hymenostomum in North America: II. The Case of Astomum Sullivantii. [Sonderdruck]. 1922.
MLA (9th ed.) CitationAndrews, Albert Leroy. Hymenostomum in North America: II. The Case of Astomum Sullivantii. [Sonderdruck]. 1922.
Warning: These citations may not always be 100% accurate.