APA

Colum M. M., . (1944). From these roots: the ideas that have made modern literature. New York: Columbia University Press.

Chicago

Colum Mary Maguire, . 1944. From these roots: the ideas that have made modern literature. New York: Columbia University Press.

Harvard

Colum M. M., . (1944). From these roots: the ideas that have made modern literature. New York: Columbia University Press.

MLA

Colum Mary Maguire, . From these roots: the ideas that have made modern literature. New York: Columbia University Press. 1944.