Παραπομπή APA

Leonard Unger. (1967). Seven Modern American Poets: An introduction. University of minnesota press.

Παραπομπή Chicago Style

Leonard Unger. Seven Modern American Poets: An Introduction. Minneapolis: University of minnesota press, 1967.

Παραπομπή MLA

Leonard Unger. Seven Modern American Poets: An Introduction. University of minnesota press, 1967.