APA (7th ed.) Citation

Duff, A. W. (1916). A text-book of physics. P. Blakiston's Son.

Chicago Style (17th ed.) Citation

Duff, A. Wilmer. A Text-book of Physics. Philadelphia: P. Blakiston's Son, 1916.

MLA (9th ed.) Citation

Duff, A. Wilmer. A Text-book of Physics. P. Blakiston's Son, 1916.