APA (7th ed.) Citation

Untermeyer, L., & Plank, G. (1933). First words before spring. A.A. Knopf.

Chicago Style (17th ed.) Citation

Untermeyer, Louis, and George Plank. First Words Before Spring. New York: A.A. Knopf, 1933.

MLA (8th ed.) Citation

Untermeyer, Louis, and George Plank. First Words Before Spring. A.A. Knopf, 1933.