APA (7th ed.) Citation

Untermeyer, L. (1919). The new era in American poetry. H. Holt.

Chicago Style (17th ed.) Citation

Untermeyer, Louis. The New Era in American Poetry. New York: H. Holt, 1919.

MLA (9th ed.) Citation

Untermeyer, Louis. The New Era in American Poetry. H. Holt, 1919.