MLA

Gurwitsch, Aron. Phenomenology and the Theory of Science. Evanston: Northwestern University Press, 1974.

APA

Gurwitsch, A. (1974). Phenomenology and the theory of science. Evanston: Northwestern University Press.

Chicago

Gurwitsch, Aron Phenomenology and the Theory of Science. Evanston: Northwestern University Press, 1974.