APA (7th ed.) Citation

Tucker, I. S. J. (1920). Now it must be done. Socialist Party of the United States.

Chicago Style (17th ed.) Citation

Tucker, Irwin St. John. Now It Must Be Done. Chicago: Socialist Party of the United States, 1920.

MLA (9th ed.) Citation

Tucker, Irwin St. John. Now It Must Be Done. Socialist Party of the United States, 1920.