APA (7th ed.) Citation

Dennison, H. S. (1909). E.W. Dennison: A memorial. [publisher not identified].

Chicago Style (17th ed.) Citation

Dennison, Henry S. E.W. Dennison: A Memorial. Boston: [publisher not identified], 1909.

MLA (9th ed.) Citation

Dennison, Henry S. E.W. Dennison: A Memorial. [publisher not identified], 1909.