APA (7th ed.) Citation

Worcester, D. C. (1914). One year of the new era. Macmillan.

Chicago Style (17th ed.) Citation

Worcester, Dean Conant. One Year of the New Era. New York: Macmillan, 1914.

MLA (9th ed.) Citation

Worcester, Dean Conant. One Year of the New Era. Macmillan, 1914.