Não informado. (1909). Contributions from the Biological Laboratory of Brown University. Brown University, Biological Laboratory.
Citação do estilo Chicago (17ª ed.)Não informado. Contributions from the Biological Laboratory of Brown University. Providence, RI: Brown University, Biological Laboratory, 1909.
Citação MLA (8ª ed.)Não informado. Contributions from the Biological Laboratory of Brown University. Brown University, Biological Laboratory, 1909.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.