APA

smith a., . (1957). seven centuries of verse. New York: charles scribners sons.

Chicago

smith a.j.m, . 1957. seven centuries of verse. New York: charles scribners sons.

Harvard

smith a., . (1957). seven centuries of verse. New York: charles scribners sons.

MLA

smith a.j.m, . seven centuries of verse. New York: charles scribners sons. 1957.