APA (7th ed.) Citation

Boardman, L. W. (1923). Modern American speeches (New ed., enl.). Longmans, Green.

Chicago Style (17th ed.) Citation

Boardman, Lester Wells. Modern American Speeches. New ed., enl. New York: Longmans, Green, 1923.

MLA (9th ed.) Citation

Boardman, Lester Wells. Modern American Speeches. New ed., enl. Longmans, Green, 1923.