APA (7th ed.) Citation

Lang, L. R. 1. (1948). Tomorrow is beautiful. Macmillan.

Chicago Style (17th ed.) Citation

Lang, Lucy Robins 1884-962. Tomorrow Is Beautiful. New York: Macmillan, 1948.

MLA (9th ed.) Citation

Lang, Lucy Robins 1884-962. Tomorrow Is Beautiful. Macmillan, 1948.

Warning: These citations may not always be 100% accurate.