Não informado. (1877). Studies from the Biological Laboratory. Johns Hopkins University.
Style de citation Chicago (17e éd.)Não informado. Studies from the Biological Laboratory. Baltimore, Md: Johns Hopkins University, 1877.
Style de citation MLA (8e éd.)Não informado. Studies from the Biological Laboratory. Johns Hopkins University, 1877.
Attention : ces citations peuvent ne pas être correctes à 100%.