APA

Minnesota Center for Philosophy of Science, . (1956). Minnesota studies in the philosophy of science. Minneapolis, Minn: Univ. of Minnesota Press.

Chicago

Minnesota Center for Philosophy of Science, . 1956. Minnesota studies in the philosophy of science. Minneapolis, Minn: Univ. of Minnesota Press.

Harvard

Minnesota Center for Philosophy of Science, . (1956). Minnesota studies in the philosophy of science. Minneapolis, Minn: Univ. of Minnesota Press.

MLA

Minnesota Center for Philosophy of Science, . Minnesota studies in the philosophy of science. Minneapolis, Minn: Univ. of Minnesota Press. 1956.