APA
(1937). Biological Abstracts Nos (6 to 8). : Union of American Biological Societies U.S.A.
Chicago
1937. Biological Abstracts Nos (6 to 8). : Union of American Biological Societies U.S.A.
Harvard
(1937). Biological Abstracts Nos (6 to 8). : Union of American Biological Societies U.S.A.
MLA
Biological Abstracts Nos (6 to 8). : Union of American Biological Societies U.S.A. 1937.
