APA

Study group on foundation of cultural unity, Grene M., . (1969). Toward a unity of knowledge. New York: International universities.

Chicago

Study group on foundation of cultural unity, Grene Marjorie, . 1969. Toward a unity of knowledge. New York: International universities.

Harvard

Study group on foundation of cultural unity, Grene M., . (1969). Toward a unity of knowledge. New York: International universities.

MLA

Study group on foundation of cultural unity, Grene Marjorie, . Toward a unity of knowledge. New York: International universities. 1969.